Construction of 10(ten) nos. of 132 KV AIS line bays for second source connectivity of GSS Ramnagar, Sherghati and Piro on Turnkey Basis

INDEX FOR G.T.P TO BE FILLED IN BY TENDERERS

4.2 PLCC Equipments

4.3 FIRE Protection System

4.4 Air Conditioning System

4.5 LT Switchgear

4.6 400KV, 220 KV, 132 KV AND 33 KV Isolators

4.8 630 KVA, L.T Transformers.

400 KV,220 KV, 132 KV AND 33 KV Voltage Transformers

4.11 Battery and Battery Chargers

4.12 Control Cables

4.13 Hardware Fittings, Clamps and Connectors

4.14 400KV, 220 KV And 132 KV SF6 Circuit Breakers

4.15 400 KV, 220 KV, 132 KV and 33 KV Lightning Arresters

4.16 400 KV, 220 KV, 132 KV and 33 KV Current Transformer

4.17 Disc Insulators.

4.18 Hardware Fittings for Moose, Panther and Earth wire

4.19 Post Insulators

4.21 Control and Relay Panels.

4.22 AC & DC Distribution Boards.

4.23.1 500 MVA, 400/200/33 KV Power Transformers

4.23.2 160 MVA, 220/132/33 KV Power Transformers

4.24 125 MVAR REACTOR

4.25.1 Station HMI

4.25.2 Redundant Station HMI

4.25.3 Bay Level units along with bay mimic.

4.25.4 Bay Level limit for Auxiliary System.

4.25.5 Disturbance Recorder work station.

4.25.6 Colour Leser printer

4.25.7 Dot matrix printer.

4.25.8 Interface equipment for gateway to RCC and RSCC

4.25.9 Communication infrastructre between bay level units, station HMI, Printers, gateways, redundant LAN.

4.25.10 Remote work Station.

SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS FOR 400 KV GIS PANEL

Name of the Tenderer

As per Tenderer

Sl. No. DESCRIPTION Transformer Bay Line bay Bus Coupler

2 Name of manufacturer (OEM)

3 Country of Origin

4 Delivery from (location)

5 Type & Designation

6 Type tested at Name of Laboratory Address of laboratory

7 Installation (indoor or outdoor)

8 Standards applicable

9 No. of Phases

10 Single or Three Phase design

11 Configuration

i Number of Feeder bays

ii Number of transformer bays

iii Number of Bus coupler bay

iv GIS to transformer connection

v GIS to Feeder connection

vi Number of VT

vii Number of SA

Future extension possibility

12 Service conditions

i Ambiant Air Temp. in Deg. C

ii Max Temp. in Deg. C

iii Min Temp. in Deg. C

iv Daily Average Temp. in Deg. C

v Solar Radiation W/sq mtr

vi Altitude above MSL, in mtr

vii Pollution class

viii Creepage distance, in mm/kV

ix Relative humidity

xi Vibration level

xii Noise level

xiii Induced Electromagnetic Disturbance, in kV

xiv Seismic conditions

i Code of pressure vessel

ii Type of manufacturing

iii Design temperature in Deg.C

v Material grade & applicable standard

vi Outside diameter in mm

vii Minimum Wall Thickness, in mm

viii Painting Shade & Thickness

ix Degree of Protection

x Inductance in H/mt

xi Capacitance in pF/mt

xii Resistance in Ohm/mt

xiii Expansion Bellow

b Min allowable adjustable displacement Longitudinal Transverse

xiv Sealing system

xv Estimated life in years

b Dielectric strength

14 Support Structure

ii Minimum thickness of galvanizing

iii Foundation channels /Anchor bolts

i Grounding Material

ii Grounding of complete GIS

iii Grounding of individual compartment

iv Grounding at flange joints

16 System Parameters

i Highest System voltage in kV

ii Rated voltage of System in kV

iii Rated voltage of Equipment in kV

iv Rated Insulation level Phase to Earth and between Phases

a One Min Power Frequency withstand voltage kVrms

b Switching impulse withstand voltage, kVp

- Phase to Earth

- Between Phases

c Lightning Impulse withstand voltage, kVp

iv Rated Frequency

v Rated current in Amp

vi Rated current at 50 °C (equipment) in Amp

vii Rated current at 50 °C (bus bar) in Amp

viii Rated short circuit withstand current kArms

a Duration in sec

ix Enclosure withstand time for an internal fault in sec.

x Estimated total energy loss at

100 % of rated capacity

75 % of rated capacity

50 % of rated capacity

25 % of rated capacity

xi Measures taken to minimize Over Voltage

xii Phase labeling

xiii Auxiliary supply (AC Voltage, Frequency; DC voltage)

- Illumination & heater

17 Delivery conditions

i Bays fully assembled at works

ii Dimensions of longest section for transportation

iii Weight of heaviest package

iv Pressure of SF6 gas during transportation

v SF6 gas monitoring system provided during transportation

i Configuration (Single / Double)

ii Nos of Phases

vi Current density adopted

vii Current density as per type test report

viii Short time current withstand rating in kA

x Resistance per phase

xi Surge impedance

xii SF6 immersed insulator

b Dielectric strength

xiv Maximum Partial Discharges measured at HSV

i Applicable standard

ii Quantity of SF6 Gas of complete GIS at filling pressure, in kg

iii Quantity of SF6 Gas of largest compartment GIS at filling pressure, in kg

iv Nos of Gas compartments

v Quantity of SF6 Gas of individual compartment GIS at filling pressure, in kg

vi Maximum permissible dew point, in Deg.C

vii Composition of Gas

a SF6 > 99.90 % by weight

b Air < 500 ppm by weight (0 25 vol -%)

c CF4 < 500 ppm by weight (0.1 vol -%)

d H2O < 15 ppm by weight (0.012 Vol-%)

e Mineral oil < 10 ppm by weight

f Acidity, in terms of HF < 0.3 ppm by weight

g Hydrolysable fluorides In terms of HF < 1 ppm by weight

vii Design pressure

a Circuit breaker

b Other compartments

ix Rated filling pressure

a Circuit breaker

b Other compartments

x Type tested pressure.

a Circuit breaker

b Other compartments

xi Routine test pressure

a Circuit breaker

b Other compartments

xii Operating pressure of PRD

a Circuit breaker

b Other compartments

xiii Alarm Pressure

a Circuit breaker

b Other compartments

c CB lock out Pressure

d Over pressure signaling

xiv Maximum SF6 Gas leakage rate, in % per year

xv Density Monitor to be provided for each Individual gas compartment.

20 Circuit Breaker

i Applicable standard

iii Designation

iv Operating Mechanism type

v Nos. of phases

vi Rated current in Amp

vii Mechanical Endurance class

viii Electrical Endurance class

ix Restrike probability class

x Rated SC breaking current

xi Rated SC breaking current - single phase test

xii Rated Line charging breaking current

xiii Rated Cable charging breaking current

xiv Capacitor bank switching capability,

xv Inductive current

xvi Reactive current

xvii Out of phase making & breaking current

xviii Rated short line fault current

xix TRV characteristic

xx First Pole to Clear factor

xxi Nos. of interrupters per phase

xxii Type of arc control device provided, if any

xxiii Type of arcing contacts

xxiv Material of main contact

xxv Material of Arcing contacts

xxvi Filter material

xxvii Timings of operations

a - Opening at nominal control voltage

- Opening at minimum control voltage

b Closing time at nominal control voltage

xxviii Maximum pole discrepancy time Tripping Closing

xxix Rated operating duty cycle

xxx Tripping Coils

- Rated Voltage

- Rated Current

xxxi Closing Coil

- Rated Voltage

- Rated Current

xxxii Spring Charging Motor

- Rated Voltage

- Rated Current

xxxiii Spring charging time at rated Aux supply

xxxiv Spring charging time at min Aux supply

xxxv Maintenance required after nos. of operation at

ii Rated current

iii 25% of rated SC current

iv 50% rated SC current

v Rated SC current

e Provision of anti pumping

f No of operations after switching off of motor Aux. supply

xxxvi Provision of Manual trip

xxxvii Electrical interlocking

xxxviii Padlocking

xxxix Type of Operation counter provided

21 DISCONNECTORS

i Applicable standards

iii Rated current in Amp for

- Bus disconnector

- Line disconnector

- Transformer disconnector

- PT disconnector

iv Maximum Current that can be safely interrupted by the Isolator (Amp).

v Rate Short time withstand Current in kA, for 3 sec

vi Rated peak short time Current, kAp

vii Rated bus charging current, in Amp

viii Type of contacts

ix Material of contacts

x Current Density at minimum cross section (A/mm2)

xi Rated lightning impulse withstand voltage across the open gap, kVp

xii Rated Power Freq withstand voltage across the open gap, kVrms

xiii Mechanical Endurance class

xiv Type of Operating Mechanism

xv Operating Motor details

- Rated Voltage

- Rated Current

xvi Operating Time

- Closing - Opening

xvii Mechanical indication on drive shaft

22 Maintenance Grounding Switch

i Applicable standards

iii Rate Short time withstand Current in kA, for 3 sec

iv Rated peak short time Current, kAp

v Rated lightning impulse withstand voltage across the open gap, kVp

vi Rated Power Freq withstand voltage across the open gap, kVrms

vii Type of Operating Mechanism

viii Operating Motor details

- Rated Voltage

- Rated Current

ix Operating Time

- Closing - Opening

x Mechanical indication on drive shaft

23 Fast Acting Grounding Switch

i Applicable standards

iii Rate Short time withstand Current in kA, for 3 sec

iv Rated peak short time Current, kAp

v Rated induced current switching capability Rated capacitive current switching capability

vi Rated lightning impulse withstand voltage across the open gap, kVp

vii Rated Power Freq withstand voltage across the open gap, kVrms

viii Electrical Endurance class

ix Type of Operating Mechanism

x Operating Motor details

- Rated Voltage

- Rated Current

xi Operating Time

- Closing - Opening

xii Mechanical indication on drive shaft

24 Current transformers

iii Position of Current Transformer

iv Reference Standard

v Rated Continuous thermal current

vi Rated Short Time current

a Feeder Bay CT

i Metering Core

- Output Burden

- Accuracy Class

ii Protection Core -1

- Output Burden

- Accuracy Class

iii Protection Core -2

- Output Burden

- Accuracy Class

b Transformer Bay CT

i Metering Core

- Output Burden

- Accuracy Class

ii Protection Core -1

- Output Burden

- Accuracy Class

iii Protection Core -2

- Accuracy Class

- Minimum Knee Point Voltage at highest ratio

- Maximum Excitation Current at Vk

- Maximum Resistance at highest ratio

iv Protection Core -3

- Accuracy Class

- Minimum Knee Point Voltage at highest ratio

- Maximum Excitation Current at Vk

- Maximum Resistance at highest ratio

c Bus Coupler Bay CT

i Metering Core

- Output Burden

- Accuracy Class

ii Protection Core -1

- Accuracy Class

iii Protection Core -2

- Accuracy Class

25 Voltage Transformer

Position of Voltage Transformer

Reference Standard

Rated Over Voltage Factor - Continuous

Short Time Over Voltage Factor

Partial Discharge Level

Thermal Rating of Primary Winding

26 Line & Bus VT

i Metering Core

- Output Burden

- Accuracy Class

ii Protection Core -1

- Output Burden

- Accuracy Class

iii Protection Core -2

- Output Burden

- Accuracy Class

27 Enclosed Surge Arrester

ii Name of Manufacturer

iii Arrester Class & Type (with mfr type designation)

iv Applicable Standard

v Rated system voltage (kV)

vi Rated Arrester Voltage (kV)

vii Max continuous operating voltage (MCOV) – (kV)

viii i)Nominal Discharge Current (KA) with 8/20 Micro-second wave

ii)Max resistive component of cont current at MCOV-mA crest

iii)Max capacitive component of cont current at MCOV -mA crest

ix Long Duration Discharge Class

x Min. Energy Discharge Capability (KJ/KV rating)

xi Max. switching current impulse residual voltage (KVP) 1000 Amps 250 Amps

xii Pressure Relief Class KA (rms)

xiii High Current short duration impulse withstand level with 4/10 micro-second wave (KA) peak

xiv Over –voltage withstand capability – KV

e) Reference Voltage (KV)

f) Reference Current (KA)

xv Surge counter

xvi Leakage monitor

28 Local Control Cubical

i Name of Manufacturer (OEM of GIS)

ii Location in GIS

iv Sheet Thickness

v Degree of Protection

vi Padlocking arrangement

vii Major components of LCC

- Bay control mimic diagram

- Control Switches

- Indicating lamps

- Position indicators

- Annunciation scheme

- Auxiliary relays

- Contact multiplication relays

- System parameters display

- Heater with thermostat

- Interface terminal blocks for relaying & protection

29 GIS to Line connection

i Nos of XLPE cable can be terminated

ii Type of cable termination required

30 GIS to Transformer connection

i Nos of XLPE cable can be terminated

ii Type of cable termination required

i Maximum down time for replacement or removal of any part

ii Maximum down time for degassing and re- filling the biggest compartment

iii Time between two refilling of SF6 gas.

iv Recommended period for overhauling

v Operation and Maintenance manual attached

vi Nearest local service centre

vii Minimum time of availability of local service

viii Availability of spares at local service centre

ix List of recommended spares attached?

x List of recommended special tools, etc attached?

xi List of commission spares attached?

xii List of maintenance spares attached?

SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS FOR 220 KV GIS PANEL

Name of the Tenderer

As per Tenderer

Sl. No. DESCRIPTION Transformer Bay Line bay Bus Coupler

Name of manufacturer (OEM)

Country of Origin

Delivery from (location)

Type & Designation

Type tested at Name of Laboratory Address of laboratory

Installation (indoor or outdoor)

Standards applicable

Single or Three Phase design

i Number of Feeder bays

ii Number of transformer bays

iii Number of Bus coupler bay

iv GIS to transformer connection

v GIS to Feeder connection

vi Number of VT

vii Number of SA

Future extension possibility

Service conditions

i Ambiant Air Temp. in Deg. C

ii Max Temp. in Deg. C

iii Min Temp. in Deg. C

iv Daily Average Temp. in Deg. C

v Solar Radiation W/sq mtr

vi Altitude above MSL, in mtr

vii Pollution class

viii Creepage distance, in mm/kV

ix Relative humidity

xi Vibration level

xii Noise level

xiii Induced Electromagnetic Disturbance, in kV

xiv Seismic conditions

i Code of pressure vessel

ii Type of manufacturing

iii Design temperature in Deg.C

v Material grade & applicable standard

vi Outside diameter in mm

vii Minimum Wall Thickness, in mm

viii Painting Shade & Thickness

ix Degree of Protection

x Inductance in H/mt

xi Capacitance in pF/mt

xii Resistance in Ohm/mt

xiii Expansion Bellow

b Min allowable adjustable displacement Longitudinal Transverse

xiv Sealing system

xv Estimated life in years

b Dielectric strength

Support Structure

ii Minimum thickness of galvanizing

iii Foundation channels /Anchor bolts

i Grounding Material

ii Grounding of complete GIS

iii Grounding of individual compartment

iv Grounding at flange joints

System Parameters

i Highest System voltage in kV

ii Rated voltage of System in kV

iii Rated voltage of Equipment in kV

iv Rated Insulation level Phase to Earth and between Phases

a One Min Power Frequency withstand voltage kVrms

b Switching impulse withstand voltage, kVp

- Phase to Earth

- Between Phases

c Lightning Impulse withstand voltage, kVp

iv Rated Frequency

v Rated current in Amp

vi Rated current at 50 °C (equipment) in Amp

vii Rated current at 50 °C (bus bar) in Amp

viii Rated short circuit withstand current kArms

a Duration in sec

ix Enclosure withstand time for an internal fault in sec.

x Estimated total energy loss at

100 % of rated capacity

75 % of rated capacity

50 % of rated capacity

25 % of rated capacity

xi Measures taken to minimize Over Voltage

xii Phase labeling

xiii Auxiliary supply (AC Voltage, Frequency; DC voltage)

- Illumination & heater

Delivery conditions

i Bays fully assembled at works

ii Dimensions of longest section for transportation

iii Weight of heaviest package

iv Pressure of SF6 gas during transportation

v SF6 gas monitoring system provided during transportation

i Configuration (Single / Double)

ii Nos of Phases

vi Current density adopted

vii Current density as per type test report

viii Short time current withstand rating in kA

x Resistance per phase

xi Surge impedance

xii SF6 immersed insulator

b Dielectric strength

xiv Maximum Partial Discharges measured at HSV

i Applicable standard

ii Quantity of SF6 Gas of complete GIS at filling pressure, in kg

iii Quantity of SF6 Gas of largest compartment GIS at filling pressure, in kg

iv Nos of Gas compartments

v Quantity of SF6 Gas of individual compartment GIS at filling pressure, in kg

vi Maximum permissible dew point, in Deg.C

vii Composition of Gas

a SF6 > 99.90 % by weight

b Air < 500 ppm by weight (0 25 vol -%)

c CF4 < 500 ppm by weight (0.1 vol -%)

d H2O < 15 ppm by weight (0.012 Vol-%)

e Mineral oil < 10 ppm by weight

f Acidity, in terms of HF < 0.3 ppm by weight

g Hydrolysable fluorides In terms of HF < 1 ppm by weight

vii Design pressure

a Circuit breaker

b Other compartments

ix Rated filling pressure

a Circuit breaker

b Other compartments

x Type tested pressure.

a Circuit breaker

b Other compartments

xi Routine test pressure

a Circuit breaker

b Other compartments

xii Operating pressure of PRD

a Circuit breaker

b Other compartments

xiii Alarm Pressure

a Circuit breaker

b Other compartments

c CB lock out Pressure

d Over pressure signaling

xiv Maximum SF6 Gas leakage rate, in % per year

xv Density Monitor to be provided for each Individual gas compartment.

Circuit Breaker

i Applicable standard

iii Designation

iv Operating Mechanism type

v Nos. of phases

vi Rated current in Amp

vii Mechanical Endurance class

viii Electrical Endurance class

ix Restrike probability class

x Rated SC breaking current

xi Rated SC breaking current - single phase test

xii Rated Line charging breaking current

xiii Rated Cable charging breaking current

xiv Capacitor bank switching capability,

xv Inductive current

xvi Reactive current

xvii Out of phase making & breaking current

xviii Rated short line fault current

xix TRV characteristic

xx First Pole to Clear factor

xxi Nos. of interrupters per phase

xxii Type of arc control device provided, if any

xxiii Type of arcing contacts

xxiv Material of main contact

xxv Material of Arcing contacts

xxvi Filter material

xxvii Timings of operations

a - Opening at nominal control voltage

- Opening at minimum control voltage

b Closing time at nominal control voltage

xxviii Maximum pole discrepancy time Tripping Closing

xxix Rated operating duty cycle

xxx Tripping Coils

- Rated Voltage

- Rated Current

xxxi Closing Coil

- Rated Voltage

- Rated Current

xxxii Spring Charging Motor

- Rated Voltage

- Rated Current

xxxiii Spring charging time at rated Aux supply

xxxiv Spring charging time at min Aux supply

xxxv Maintenance required after nos. of operation at

ii Rated current

iii 25% of rated SC current

iv 50% rated SC current

v Rated SC current

e Provision of anti pumping

f No of operations after switching off of motor Aux. supply

xxxvi Provision of Manual trip

xxxvii Electrical interlocking

xxxviii Padlocking

xxxix Type of Operation counter provided

i Applicable standards

iii Rated current in Amp for

- Bus disconnector

- Line disconnector

- Transformer disconnector

- PT disconnector

iv Maximum Current that can be safely interrupted by the Isolator (Amp).

v Rate Short time withstand Current in kA, for 3 sec

vi Rated peak short time Current, kAp

vii Rated bus charging current, in Amp

viii Type of contacts

ix Material of contacts

x Current Density at minimum cross section (A/mm2)

xi Rated lightning impulse withstand voltage across the open gap, kVp

xii Rated Power Freq withstand voltage across the open gap, kVrms

xiii Mechanical Endurance class

xiv Type of Operating Mechanism

xv Operating Motor details

- Rated Voltage

- Rated Current

xvi Operating Time

- Closing - Opening

xvii Mechanical indication on drive shaft

Maintenance Grounding Switch

i Applicable standards

iii Rate Short time withstand Current in kA, for 3 sec

iv Rated peak short time Current, kAp

v Rated lightning impulse withstand voltage across the open gap, kVp

vi Rated Power Freq withstand voltage across the open gap, kVrms

vii Type of Operating Mechanism

viii Operating Motor details

- Rated Voltage

- Rated Current

ix Operating Time

- Closing - Opening

x Mechanical indication on drive shaft

Fast Acting Grounding Switch

i Applicable standards

iii Rate Short time withstand Current in kA, for 3 sec

iv Rated peak short time Current, kAp

v Rated induced current switching capability Rated capacitive current switching capability

vi Rated lightning impulse withstand voltage across the open gap, kVp

vii Rated Power Freq withstand voltage across the open gap, kVrms

viii Electrical Endurance class

ix Type of Operating Mechanism

x Operating Motor details

- Rated Voltage

- Rated Current

xi Operating Time

- Closing - Opening

xii Mechanical indication on drive shaft

Current transformers

iii Position of Current Transformer

iv Reference Standard

v Rated Continuous thermal current

vi Rated Short Time current

a Feeder Bay CT

i Metering Core

- Output Burden

- Accuracy Class

ii Protection Core -1

- Output Burden

- Accuracy Class

iii Protection Core -2

- Output Burden

- Accuracy Class

b Transformer Bay CT

i Metering Core

- Output Burden

- Accuracy Class

ii Protection Core -1

- Output Burden

- Accuracy Class

iii Protection Core -2

- Accuracy Class

- Minimum Knee Point Voltage at highest ratio

- Maximum Excitation Current at Vk

- Maximum Resistance at highest ratio

iv Protection Core -3

- Accuracy Class

- Minimum Knee Point Voltage at highest ratio

- Maximum Excitation Current at Vk

- Maximum Resistance at highest ratio

c Bus Coupler Bay CT

i Metering Core

- Output Burden

- Accuracy Class

ii Protection Core -1

- Accuracy Class

iii Protection Core -2

- Accuracy Class

Voltage Transformer

Position of Voltage Transformer

Reference Standard

Rated Over Voltage Factor - Continuous

Short Time Over Voltage Factor

Partial Discharge Level

Thermal Rating of Primary Winding

i Metering Core

- Output Burden

- Accuracy Class

ii Protection Core -1

- Output Burden

- Accuracy Class

iii Protection Core -2

- Output Burden

- Accuracy Class

Enclosed Surge Arrester

ii Name of Manufacturer

iii Arrester Class & Type (with mfr type designation)

iv Applicable Standard

v Rated system voltage (kV)

vi Rated Arrester Voltage (kV)

vii Max continuous operating voltage (MCOV) – (kV)

viii i)Nominal Discharge Current (KA) with 8/20 Micro-second wave

ii)Max resistive component of cont current at MCOV-mA crest

iii)Max capacitive component of cont current at MCOV -mA crest

ix Long Duration Discharge Class

x Min. Energy Discharge Capability (KJ/KV rating)

xi Max. switching current impulse residual voltage (KVP) 1000 Amps 250 Amps

xii Pressure Relief Class KA (rms)

xiii High Current short duration impulse withstand level with 4/10 micro-second wave (KA) peak

xiv Over –voltage withstand capability – KV

e) Reference Voltage (KV)

f) Reference Current (KA)

xv Surge counter

xvi Leakage monitor

Local Control Cubical

i Name of Manufacturer (OEM of GIS)

ii Location in GIS

iv Sheet Thickness

v Degree of Protection

vi Padlocking arrangement

vii Major components of LCC

- Bay control mimic diagram

- Control Switches

- Indicating lamps

- Position indicators

- Annunciation scheme

- Auxiliary relays

- Contact multiplication relays

- System parameters display

- Heater with thermostat

- Interface terminal blocks for relaying & protection

GIS to Line connection

i Nos of XLPE cable can be terminated

ii Type of cable termination required

GIS to Transformer connection

i Nos of XLPE cable can be terminated

ii Type of cable termination required

i Maximum down time for replacement or removal of any part

ii Maximum down time for degassing and re- filling the biggest compartment

iii Time between two refilling of SF6 gas.

iv Recommended period for overhauling

v Operation and Maintenance manual attached

vi Nearest local service centre

vii Minimum time of availability of local service

viii Availability of spares at local service centre

ix List of recommended spares attached?

x List of recommended special tools, etc attached?

xi List of commission spares attached?

xii List of maintenance spares attached?

SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS FOR 132 KV GIS PANEL

Name of the Tenderer

As per Tenderer

Sl. No. DESCRIPTION Transformer Bay Line bay Bus Coupler

Name of manufacturer (OEM)

Country of Origin

Delivery from (location)

Type & Designation

Type tested at Name of Laboratory Address of laboratory

Installation (indoor or outdoor)

Standards applicable

Single or Three Phase design

i Number of Feeder bays

ii Number of transformer bays

iii Number of Bus coupler bay

iv GIS to transformer connection

v GIS to Feeder connection

vi Number of VT

vii Number of SA

Future extension possibility

Service conditions

i Ambiant Air Temp. in Deg. C

ii Max Temp. in Deg. C

iii Min Temp. in Deg. C

iv Daily Average Temp. in Deg. C

v Solar Radiation W/sq mtr

vi Altitude above MSL, in mtr

vii Pollution class

viii Creepage distance, in mm/kV

ix Relative humidity

xi Vibration level

xii Noise level

xiii Induced Electromagnetic Disturbance, in kV

xiv Seismic conditions

i Code of pressure vessel

ii Type of manufacturing

iii Design temperature in Deg.C

v Material grade & applicable standard

vi Outside diameter in mm

vii Minimum Wall Thickness, in mm

viii Painting Shade & Thickness

ix Degree of Protection

x Inductance in H/mt

xi Capacitance in pF/mt

xii Resistance in Ohm/mt

xiii Expansion Bellow

b Min allowable adjustable displacement Longitudinal Transverse

xiv Sealing system

xv Estimated life in years

b Dielectric strength

Support Structure

ii Minimum thickness of galvanizing

iii Foundation channels /Anchor bolts

i Grounding Material

ii Grounding of complete GIS

iii Grounding of individual compartment

iv Grounding at flange joints

System Parameters

i Highest System voltage in kV

ii Rated voltage of System in kV

iii Rated voltage of Equipment in kV

iv Rated Insulation level Phase to Earth and between Phases

a One Min Power Frequency withstand voltage kVrms

b Switching impulse withstand voltage, kVp

- Phase to Earth

- Between Phases

c Lightning Impulse withstand voltage, kVp

iv Rated Frequency

v Rated current in Amp

vi Rated current at 50 °C (equipment) in Amp

vii Rated current at 50 °C (bus bar) in Amp

viii Rated short circuit withstand current kArms

a Duration in sec

ix Enclosure withstand time for an internal fault in sec.

x Estimated total energy loss at

100 % of rated capacity

75 % of rated capacity

50 % of rated capacity

25 % of rated capacity

xi Measures taken to minimize Over Voltage

xii Phase labeling

xiii Auxiliary supply (AC Voltage, Frequency; DC voltage)

- Illumination & heater

Delivery conditions

i Bays fully assembled at works

ii Dimensions of longest section for transportation

iii Weight of heaviest package

iv Pressure of SF6 gas during transportation

v SF6 gas monitoring system provided during transportation

i Configuration (Single / Double)

ii Nos of Phases

vi Current density adopted

vii Current density as per type test report

viii Short time current withstand rating in kA

x Resistance per phase

xi Surge impedance

xii SF6 immersed insulator

b Dielectric strength

xiv Maximum Partial Discharges measured at HSV

i Applicable standard

ii Quantity of SF6 Gas of complete GIS at filling pressure, in kg

iii Quantity of SF6 Gas of largest compartment GIS at filling pressure, in kg

iv Nos of Gas compartments

v Quantity of SF6 Gas of individual compartment GIS at filling pressure, in kg

vi Maximum permissible dew point, in Deg.C

vii Composition of Gas

a SF6 > 99.90 % by weight

b Air < 500 ppm by weight (0 25 vol -%)

c CF4 < 500 ppm by weight (0.1 vol -%)

d H2O < 15 ppm by weight (0.012 Vol-%)

e Mineral oil < 10 ppm by weight

f Acidity, in terms of HF < 0.3 ppm by weight

g Hydrolysable fluorides In terms of HF < 1 ppm by weight

vii Design pressure

a Circuit breaker

b Other compartments

ix Rated filling pressure

a Circuit breaker

b Other compartments

x Type tested pressure.

a Circuit breaker

b Other compartments

xi Routine test pressure

a Circuit breaker

b Other compartments

xii Operating pressure of PRD

a Circuit breaker

b Other compartments

xiii Alarm Pressure

a Circuit breaker

b Other compartments

c CB lock out Pressure

d Over pressure signaling

xiv Maximum SF6 Gas leakage rate, in % per year

xv Density Monitor to be provided for each Individual gas compartment.

Circuit Breaker

i Applicable standard

iii Designation

iv Operating Mechanism type

v Nos. of phases

vi Rated current in Amp

vii Mechanical Endurance class

viii Electrical Endurance class

ix Restrike probability class

x Rated SC breaking current

xi Rated SC breaking current - single phase test

xii Rated Line charging breaking current

xiii Rated Cable charging breaking current

xiv Capacitor bank switching capability,

xv Inductive current

xvi Reactive current

xvii Out of phase making & breaking current

xviii Rated short line fault current

xix TRV characteristic

xx First Pole to Clear factor

xxi Nos. of interrupters per phase

xxii Type of arc control device provided, if any

xxiii Type of arcing contacts

xxiv Material of main contact

xxv Material of Arcing contacts

xxvi Filter material

xxvii Timings of operations

a - Opening at nominal control voltage

- Opening at minimum control voltage

b Closing time at nominal control voltage

xxviii Maximum pole discrepancy time Tripping Closing

xxix Rated operating duty cycle

xxx Tripping Coils

- Rated Voltage

- Rated Current

xxxi Closing Coil

- Rated Voltage

- Rated Current

xxxii Spring Charging Motor

- Rated Voltage

- Rated Current

xxxiii Spring charging time at rated Aux supply

xxxiv Spring charging time at min Aux supply

xxxv Maintenance required after nos. of operation at

ii Rated current

iii 25% of rated SC current

iv 50% rated SC current

v Rated SC current

e Provision of anti pumping

f No of operations after switching off of motor Aux. supply

xxxvi Provision of Manual trip

xxxvii Electrical interlocking

xxxviii Padlocking

xxxix Type of Operation counter provided

i Applicable standards

iii Rated current in Amp for

- Bus disconnector

- Line disconnector

- Transformer disconnector

- PT disconnector

iv Maximum Current that can be safely interrupted by the Isolator (Amp).

v Rate Short time withstand Current in kA, for 3 sec

vi Rated peak short time Current, kAp

vii Rated bus charging current, in Amp

viii Type of contacts

ix Material of contacts

x Current Density at minimum cross section (A/mm2)

xi Rated lightning impulse withstand voltage across the open gap, kVp

xii Rated Power Freq withstand voltage across the open gap, kVrms

xiii Mechanical Endurance class

xiv Type of Operating Mechanism

xv Operating Motor details

- Rated Voltage

- Rated Current

xvi Operating Time

- Closing - Opening

xvii Mechanical indication on drive shaft

Maintenance Grounding Switch

i Applicable standards

iii Rate Short time withstand Current in kA, for 3 sec

iv Rated peak short time Current, kAp

v Rated lightning impulse withstand voltage across the open gap, kVp

vi Rated Power Freq withstand voltage across the open gap, kVrms

vii Type of Operating Mechanism

viii Operating Motor details

- Rated Voltage

- Rated Current

ix Operating Time

- Closing - Opening

x Mechanical indication on drive shaft

Fast Acting Grounding Switch

i Applicable standards

iii Rate Short time withstand Current in kA, for 3 sec

iv Rated peak short time Current, kAp

v Rated induced current switching capability Rated capacitive current switching capability

vi Rated lightning impulse withstand voltage across the open gap, kVp

vii Rated Power Freq withstand voltage across the open gap, kVrms

viii Electrical Endurance class

ix Type of Operating Mechanism

x Operating Motor details

- Rated Voltage

- Rated Current

xi Operating Time

- Closing - Opening

xii Mechanical indication on drive shaft

Current transformers

iii Position of Current Transformer

iv Reference Standard

v Rated Continuous thermal current

vi Rated Short Time current

a Feeder Bay CT

i Metering Core

- Output Burden

- Accuracy Class

ii Protection Core -1

- Output Burden

- Accuracy Class

iii Protection Core -2

- Output Burden

- Accuracy Class

b Transformer Bay CT

i Metering Core

- Output Burden

- Accuracy Class

ii Protection Core -1

- Output Burden

- Accuracy Class

iii Protection Core -2

- Accuracy Class

- Minimum Knee Point Voltage at highest ratio

- Maximum Excitation Current at Vk

- Maximum Resistance at highest ratio

iv Protection Core -3

- Accuracy Class

- Minimum Knee Point Voltage at highest ratio

- Maximum Excitation Current at Vk

- Maximum Resistance at highest ratio

c Bus Coupler Bay CT

i Metering Core

- Output Burden

- Accuracy Class

ii Protection Core -1

- Accuracy Class

iii Protection Core -2

- Accuracy Class

Voltage Transformer

Position of Voltage Transformer

Reference Standard

Rated Over Voltage Factor - Continuous

Short Time Over Voltage Factor

Partial Discharge Level

Thermal Rating of Primary Winding

i Metering Core

- Output Burden

- Accuracy Class

ii Protection Core -1

- Output Burden

- Accuracy Class

iii Protection Core -2

- Output Burden

- Accuracy Class

Enclosed Surge Arrester

ii Name of Manufacturer

iii Arrester Class & Type (with mfr type designation)

iv Applicable Standard

v Rated system voltage (kV)

vi Rated Arrester Voltage (kV)

vii Max continuous operating voltage (MCOV) – (kV)

viii i)Nominal Discharge Current (KA) with 8/20 Micro-second wave

ii)Max resistive component of cont current at MCOV-mA crest

iii)Max capacitive component of cont current at MCOV -mA crest

ix Long Duration Discharge Class

x Min. Energy Discharge Capability (KJ/KV rating)

xi Max. switching current impulse residual voltage (KVP) 1000 Amps 250 Amps

xii Pressure Relief Class KA (rms)

xiii High Current short duration impulse withstand level with 4/10 micro-second wave (KA) peak

xiv Over –voltage withstand capability – KV

e) Reference Voltage (KV)

f) Reference Current (KA)

xv Surge counter

xvi Leakage monitor

Local Control Cubical

i Name of Manufacturer (OEM of GIS)

ii Location in GIS

iv Sheet Thickness

v Degree of Protection

vi Padlocking arrangement

vii Major components of LCC

- Bay control mimic diagram

- Control Switches

- Indicating lamps

- Position indicators

- Annunciation scheme

- Auxiliary relays

- Contact multiplication relays

- System parameters display

- Heater with thermostat

- Interface terminal blocks for relaying & protection

GIS to Line connection

i Nos of XLPE cable can be terminated

ii Type of cable termination required

GIS to Transformer connection

i Nos of XLPE cable can be terminated

ii Type of cable termination required

i Maximum down time for replacement or removal of any part

ii Maximum down time for degassing and re- filling the biggest compartment

iii Time between two refilling of SF6 gas.

iv Recommended period for overhauling

v Operation and Maintenance manual attached

vi Nearest local service centre

vii Minimum time of availability of local service

viii Availability of spares at local service centre

ix List of recommended spares attached?

x List of recommended special tools, etc attached?

xi List of commission spares attached?

xii List of maintenance spares attached?

SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS FOR 33 KV INDOOR GIS PANEL

Name of the Tenderer

Sl. No. DESCRIPTION UNITS As per Tenderer

Transformer Bay Line bay Bus Sectionalizer PT Module LT Transformer Module

1 SITE CONDITIONS

1.01 Altitude meters

1.02 Maximum Ambient Temperature °C

1.03 Minimum Ambient Temperature °C

1.04 Design Ambient Temperature °C

1.05 Relative Humidity %

2.01 Voltage kV

2.03 Frequency Hz

2.04 Short Time Rating for 3 Sec kA

2.05 Voltage Class kV

2.06 Insulation level (PF rms /Impulse peak) kVrms / kVpeak

2.07 Internal arc test

a Rated current and duration kA, sec

b Classification

3 ENCLOSURE TYPE

3.01 Rear Doors -

3.02 Indoor / Outdoor -

3.03 Arc Resistant -

3.04 Tamperproof Category

3.05 Dust resistant (gasketed) -

4 PANEL CONSTRUCTION

4.01 Gas pressure – busbar compartment Bar / MPa

a Normal gas pressure Bar / MPa

b Permitted range of Gas pressure for safe operation Bar / MPa

c Alarm level Bar / MPa

d Gas pressure for operation of PRD Bar / MPa

e Withstand gas pressure of enclosure Bar / MPa

f Number of aux.contacts /stages provided for the gas density meter

4.02 Gas pressure – breaker compartment Bar / MPa

a Normal gas pressure Bar / MPa

b Permitted range of Gas pressure for safe operation Bar / MPa

c Alarm level Bar / MPa

d Gas pressure for operation of PRD Bar / MPa

e Withstand gas pressure of enclosure Bar / MPa

Number of aux. Contacts /stages provided for the gas density meter Nos.

4.03 Material and thickness of gas enclosure

4.04 Total no. of Gas compartments per panel No.

4.05 Number of Gas Density meters provided per panel No.

4.06 Rating of Isolator (A) Amp.

4.07 Rating of earthing switch (A) Amp.

4.07 Guaranteed Gas leakage Rate

4.08 Rodent damage protection

4.09 Ground and test device

4.1 Equipment Labeling

4.11 Lift truck

4.12 Testing facility

5 BUS INFORMATION

5.02 Bus Joint Plating

5.03 Rated Continuous Current A rms

5.04 Short time Withstand Current A rms

6 BUS SUPPORTS AND INSULATION

6.01 Manufacturer's Standard & Type

7 POWER CABLE ACCOMMODATION

7.01 Power Cable entry

7.02 Terminal lug type

7.03 Qty of power cables per phase per compartment

7.04 Make of termination

8 CIRCUIT BREAKER INFORMATION

8.01 Manufacturer / Model No.

8.02 Type (SF6/Vacuum)

8.03 Rated Short-Circuit Current kA

8.04 Short circuit-Current Withstand Time sec

8.05 Rated Maximum Voltage kV rms

8.06 Rated Voltage Range Factor,K

8.07 Power Frequency Withstand Voltage kV rms

8.08 Lightning Impulse Withstand Voltage kV crest

8.09 Rated Continuous Current A rms

8.1 Rated Transient Recovery Voltage Time to Peak (T2) microsec

8.11 Switching duty/capability

a Power Transformers (oil filled) Capacity

b Cables Length

c Over head lines Length

8.12 Rated Interrupting Time ms

8.13 Time for Opening Operation cycles

8.14 Time for Closing Operation cycles

8.15 Closing and latching capability (peak) kA

8.16 Control Power Voltage Range, Trip Coil V dc

8.17 Control Power Voltage Range, Closing Coil V dc

8.18 Auxiliary Contacts Total qty

8.19 Min. Auxiliary Contacts for Customer use qty

8.2 Auxiliary Contact voltage rating V dc

8.21 Auxiliary Contact current rating Amps

8.22 Stored Energy System Minimum Voltage V dc

8.23 Stored Energy Spring Charging Motor Current Amps

8.24 Stored Energy Spring Charging Motor Inrush Amps

8.25 Stored Energy Time to Fully Recharge Spring: seconds

8.26 Rated Operating duty cycle

8.27 Rated out of phase switching capability to IEC 56

8.28 Operating Power Consumption

a Trip Coil Watt

b Closing Coil Watt

c Operating Motor Watt

8.29 Number of trip coils Nos.

8.3 Quantity of Gas in CB

b Volume at Normal Pressure CuM

8.31 Interrupting Gas Pressure Maximum / Normal / Minimum Bar

Number of Close / Open

8.32 Operation No.

possible without re-charging

Number of operations

8.33 possible before interrupter maintenance required

a At rated S.C. current Nos.

b At full load current Nos.

c At no load Nos.

Method used to relieve

8.34 internal overpressure due to short circuit (Bursting disc /relief valve / none. Etc.)

8.35 Operating pressure of pressure relief device

9 PROTECTIVE RELAYS

9.01 Manufacturer

9.02 Model no. of each relay

9.03 Relay functions

9.04 Relay Communication

10 INDICATING METERS

c Auxilairy suppy

10.02 Voltmeter

c Auxilairy supply

11 CONTROL WIRING

11.02 Control wire Size minimum:

11.03 Voltage Rating: Vac

11.04 FRLS type

12 CURRENT TRANSFORMERS

(Details to be furnished for each type of CT)

12.01 Manufacturer/Model Number:

12.02 Accuracy Class

12.05 Knee point voltage

12.07 Excitation current

13 VOLTAGE TRANSFORMERS

13.01 Manufacturer

13.02 Model Number

13.04 Primary Fuse

13.05 Secondary Fuse/min-breaker:

13.07 Disconnecting switch for VT

14 PANEL ACCESSORIES

14.01 Indications

14.02 Control switches

14.03 L/R switch

14.04 CT & PT Terminal blocks

14.05 Terminal blocks

15.01 Bus Losses Watts

15.02 Heat loss at rated breaker current –1250A W/bkr

15.03 Heat loss of space heater per vertical section W/vrtl

16 INSTALLATION INFORMATION

16.01 Mass of heaviest piece to be shipped as a unit kg

16.02 Largest section to be shipped a unit -Length: mm

16.03 Largest section to be shipped a unit -Width: mm

16.04 Largest section to be shipped a unit -Height: mm

16.05 Total Mass of assembly to be shipped kg

16.06 Total assembly (breaker line- up only) -Length mm

16.07 Total assembly (breaker line-up only) -Width mm

16.08 Total assembly (breaker line-up only) -Height mm

16.09 Transition section (breaker line-up only) -Mass kg

16.1 Transition section (breaker mm

line-up only) -Length

16.11 Transition section (breaker line-up only) -Width mm

16.12 Transition section (breaker line-up only) -Height mm

16.13 Total Number of shipping sections per line up: qty

17 PANEL DIMENSIONS

17.01 Incomer (Width x Depth x Height) mm

17.02 Bus-coupler (Width x Depth x Height) mm

17.03 Outgoing (Width x Depth x Height) mm

17.04 Overall length of Complete board mm

18 CONTROL AND AUXILIARY SUPPLY

18.01 Control power supply (Volts)

18.02 Control power current rating (A)

18.03 control power supply short circuit level

18.04 AC power supply (Volts)

18.05 AC power supply current rating (A)

18.06 AC power supply short circuit rating (kA)

19 PAINTING / FINISHING

19.01 Manufacturer's Standard

BIHAR STATE POWER TRANSMISSION COMPANY: PATNA

4.1 4.1 SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS FOR DG SET

Name of the tendering company

Sl.No Description As per Tenderer

1.1 Name & Address of Manufacturer

1.3 Manufacturer’s Name, type and Address for

a) Diesel Engine alongwith accessories

e) Battery Charger

f) D.G. Set control Panel for site condition

2.3 No of strokes

2.4 Type of Governor

2.5 Guaranteed fuel consumption

a) At full load

2,6 Lubricating oil consumption

2,7 Mechanical efficiency

2.8 Thermal efficiency

2,9 Total weight

2.1 Rated KW capacity

2.2 Rated Terminal Voltage

2.3 Rated Power Factor

2.4 Rated Speed

2.5 Rated Frequency

2.6 No of phases

2.7 Efficiencies and power factor at 110%, 100% ,75%,50% and 25% of full load

2.8 Permissible Temperature rise

a) Armature winding

b) Field winding

2.9 Overload capacity

2.1 Applicable standards

4.2 SCHEDULE OF THE GUARANTEED TECHNICAL PARTICULARS FOR PLCC EQUIPMENT

Name of the tendering company

Sl. No. Description As per Tenderer

A COUPLING DEVICE (Phase to Phase Type)

1 Name of Manufacturer and Country

2 Type, Model and Catalogue Number

3 Nominal primary side impedance

4 Nominal secondary side impedance

5 Composite loss with in pass-band

6 Return loss with in pass-band

7 Available Bandwidth (with 4400/6600/8800 pF CVTS)

8 Nominal Peak Envelope Power (with Distortion and Inter modulation Products 80 dB down)

9 Maximum number of PLC terminals that can be connected in parallel:

a) 20 W (PEP) PlC terminals

b) 40 W (PEP)PLC terminals

c) 100 W(PEP) PLC terminals

10 Power Frequency Impedance between primary terminal and Earth Terminals of Coupling Device

11 Maximum temperature rise over ambient 50°C due to rated current in main contacts, measured after breaking test

12 No of H.F. terminals provided for carrier equipment connection

HIGH FREQUENCY CABLE

1 Name of Manufacturer and country

2 Type, Model and Catalogue no.

3 Applicable standards

4 Maximum attenuation per km of cable for carrier Frequency range 40 to 500 kHz

5 Maximum loop resistance/ km of cable

POWER LINE CARRIER TERMINAL FOR SPEECH AND DATA TRANSMISSION OR NETWORK PROTECTION

1 Name of Manufacturer and country

2 Type, Model and Catalogue no.

3 Type of Modulation

4 Mode of transmission

5 Carrier Frequency Range

6 Nominal carrier frequency band in either direction of transmission

7 Return loss within the nominal carrier frequency band

8 Effectively transmitted V.F. band

b) For telephone signaling

9 Return Loss within the effectively transmitted voice frequency band

10 Maximum H.F Amplifier output with single /Multiple tone keying (Peak Envelope Power )

11 Nominal carrier frequency power (peak envelop power) at output terminals

VF TRANSMISSION TERMINAL FOR NETWORK PROTECTION SIGNALS (PROTECTION COUPLER)

1 Name of Manufacturer and country

2 Type, Model and catalogue number

3 Whether equipment works on frequency shift principle of coded signal principle

4 Whether Equipment is suitable for independently protecting two circuits

5 Frequencies used in the equipment for transmission of signal for un-coded signal transmission

a) Guard frequency

b) Working frequency (Trip system-I)

c) Working frequency (Trip system-II)

d) Working frequency (Trip system (I&II)

6 Criteria used for command transmission

7 Transmission time corresponding to telegraph speed for transmission on PLCC channel of coded signal

8 Mode of transmission of guard signal

9 Whether equipment is suitable for Direct circuit breaker tripping.

10 Whether loop test is possible

11 Whether the equipment is suitable for transmitting and receiving more than two independent commands (please furnish details)

12 Whether receiver design provides protection against false tripping from random noise

1 Name of Manufacturer and country

3 System Voltage Rating

4 Continuous current rating at 50°C ambient

5 Continuous current rating at 65°C

6 Maximum Symmetrical short circuit current rating for 1 sec. duration

7 Asymmetric peak value of first half wave of rated short time current

8 Rated Inductance

9 Blocking Range

10 Minimum Guaranteed Resistive component in blocking frequency range

11 Details of protection of capacitors and coils against voltage surges. Indicate type of protective device.

12 Rated voltage of the arrestor (protective device )

ELECTRONIC PRIVATE AUTOMATIC EXCHANGE (EPAX)

1 Name of manufacturer

2 Type and model

3 Capacity of exchange (Subscribers & trunk lines)

4 Whether compatible to both i.e PLCC & DOT lines for communication

BIHAR STATE POWER TRANSMISSION COMPANY: PATNA

4.3 SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS FOR FIRE PROTECTION SYSTEM

Name of the tendering company

Sl.No Description As per Tenderer

1 Name and Address of the fire protection system supplier

2 Number of Fire Protection System executed by the supplier and duration of successful operation as on date of bid opening for each type fire protection system

a) Automatic HVW / MVW spray type fire protection system

b) Automatic Hydrant type fire protection system

3 Confirm that fire protection system supplier have designed, erected, tested & commissioned fire protection system of each type as in 2(a), (b) & (c) above as per the recommendations of TAC of India or any other international reputed authority like (FOC, London or NFPA, USA et) and are in successful operation for at least two years.

BIHAR STATE POWER TRANSMISSION COMPANY: PATNA

4.4 SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS FOR AIR CONDITION SYSTEM

Name of the tendering company

Sl.No Description As per Tenderer

1 Name and Address of Air Conditioning system supplier

2 Number of A/C system executed by the supplier and duration of successful operation as on date of bid opening .

3 Split type air conditioning Unit

a) Make & Model

b) Nominal Capacity (TR/Kcal/Hr.)

c) Nominal Air quantity (cu.m/hr -CFM)

d) Number of units offered

e) Guaranteed power consumption for each unit

BIHAR STATE POWER TRANSMISSION COMPANY: PATNA

4.5 SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS FOR LT SWITCH GEAR

Name of the tendering company

Sl.No Description As per Tenderer

1 Name & Address of Manufacturer

2 Confirm whether Manufacturer’s have supplied 50 Nos drawout Air circuit breaker Panels out of which 5 Nos. are with CT and relaying scheme.

3 Confirm whether Manufacturer’s have supplied 50 Nos MCC panels similar to the offered panels.

4 Confirm whether 100 nos.(at least) circuit breakers of the make and type being offered are already been operating satisfactorily.

5 Rated short circuit current

5.1 Number of phases Symmetrical short circuit withstand current at rated voltage of switchgear cubicle

5.2 Peak short circuit withstand current

6 Degree of protection

6.1 Breaker/MCC/AC & DC

6.2 Distribution Cubicles

6.3 Busbar chamber

7 Standard height, width & depth of typical panel

7.1 Circuit Breaker Panel

7.3 AC/DC Distribution Board

8 Width of cable alley

9 Confirm whether equipment offered are from manufacturer and they are type tested as per IS/ International standard and are in successful operation for two years.

4.6 SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS FOR ISOLATORS & ISOLATORS WITHOUT EARTHING SWITCHES

Name of the tendering company

Sl.no. Description As per TENDERER As per TENDERER As per TENDERER As per TENDERER

400 KV 220 KV 132 KV 33 KV

Normal / Tendam Normal / Tendam Normal / Tendam Normal / Tendam

1) Name and manufacturer and country

2) Type Designation

3) Covering Standard

4) Class(Outdoor/Indoor)

5) Rated Voltage(KV)

6) Frequency (Hz)

7) Rated Current of Isolator(Amps) under site conditions

9) Maximum capacity for interrupting magnetising current of transformer or charging current of line when equipped with arching contacts (Amps)

10) (a) Maximum capacity for interrupting magnetising current of transformers or charging current of line when not equipped with arcing contacts(Amps)

b) No.of Operations possible without deterioration contacts

11) Rated Short time current (KA rms)

12) Rated peak Short circuit current(KA peak)

13) Rated current which can be made by earthing Switches(Amps)

14) Type of mounting

15) Phase Centres (mm)

16) Minimum Phase to Phase clearance (mm)

17) Minimum Phase to Ground clearance (mm)

18) No.of Pedestal Insulators per Phase

19) No.of breaks/Phase

20) Type of Interlock between isolating Switch & circuit breaker

21) Creepage Distance (mm) for heavily polluted atmosphere

22) Main Contacts(fixed & moving)

c) Whether contacts Silver Plated

d) Thickness of Silver coating(mm)

e) Contact area(sq.mm)

f) Contact Pressure(kg/cm²)

g) Current carrying capacity (Amps)

23) Arching Contacts

c) Whether contacts silver plated

d) Thickness of silver coating(MM)

e) Current carrying capacity (Amps)

24) Type of bearings

25) Location of Bearings

26) Type of lubricant for bearings

27) Size of Weight of Switch base per pole(mm)

28) Weight of one complete pole(Kg.)

29) Operating mechanism

A) Manual Operation Whether separate operating mechanism for operating of main blades and earthing blades.

a) Height of operatring handle above foundation(mm)

b) Force required for 3 Phase operation (Kg.)

c) Length of operation handle (m)

d) Torque on operating rod to operate three pole gang- operated earthing switch(Kgm)

e) Weight of Operating mechanism (Kg.)

B) Electrical Operation

a) Motor(AC/DC)

b) Rated Voltage of Motor (Volts)

c) Power Required

i) for Closing operation (Watts)

ii) for opening operation(Watts)

30) Running time of motor

i) for Closing operation (Sec.)

ii) for opening operation(Sec.)

31) Auxiliary Switches

I) Number of normally open and normaly cleared

ii) Rated Voltage

iii) Rated Current

iv) Test Voltage

32) Insulation Levels. Isolators and Isolator-cum-earthing switches

I) 1.2/50 microsecond dry impulse withstand voltage (Positive & negative polarity (KV peak)

a) Across the Isolating distance

b) To earth and between Poles

ii) One minute dry power frequency withstand voltage(Kv rms)

a) Across the Isolating distance

b) To earth and between Poles

iii) One minute wet power frequency withstand voltage(KV rms)

33) Minimum visible corona discharge voltage (KV rms)

34) Insulation Strength of auxiliary gear (KV rms)

35) Maximum temperature rise of main contact at rated current corresponding to an ambient temperature of air in Shade(°C)

36) Maximum temperature rise of main contact at rated short time current (°C)

37) Rated mechanical terminal load (excluding wind loads(Kg.)

38) Galvanisation

I) Governing Standard

ii) Method of Galvanisation

iii) Weight of Zinc coating Gm/cm²

39) Loading details for design of foundation

I) for isolator

ii) for isolator-cum-earthing Switch

40) Weight of 3 Phase Isolator complete with operating mechanism including support frame works. Etc. (Kg.)

41) Weight of 3 Phase Isolator-cum-earthing switch without operating mechanism(Kg.)

42) Weight of the heaviest package(Kgs.)

43) Space requirements I.e. (length, width & height)

b) Isolator-cum-earthing switch

4.7 SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS FOR 50 MVA 132/33 KV POWER TRANSFORMERS

Name of the tendering company

SL.NO DESCRIPTION As per Tenderer

1 Name of the manufacturer and place of manufacture

3 Voltage ratio (kV)

4 Winding connection

6 Number of phases

7 Frequency (Hz)

8 Type of cooling

9 Rating available at different cooling (%)

10 Impedance Data

a Positive sequence impedance between,HV-LV at 75 deg. C with 100% rating at

i) Principal tap

ii) Maximum tap

iii) Minimum tap

b) Zero sequence impedance at principal tap

11 Guaranteed losses

a) Maximum no load loss on principal tap at rated voltage and frequency (KW)

b) Maximum load loss at rated current at principal tap at 75ºC (KW)

c) Maximum cooler loss (K/W)

12 Cooling Equipment Details

a) Number of radiator bank and its rating as % of transformer cooling

b) Type of mounting

13 Thermal Data

a) Temperature rise in top oil over an ambient of 50 deg. C. (deg.C)

b) Temperature rise in winding by resistance measurement method over an ambient of 50 deg. C. (deg. C)

c) Thermal time constant (Hours)

14 Withstand time for three phase short circuit at terminals (secs.)

15 Over excitation withstand time (secs.)

a) High Voltage

i) Manufacturer

iii) Total creepage distance (mm)

iv) Protected creepage distance (mm)

vi) Rated current (Amps)

i) Manufacturer

iii) Total creepage distance (mm)

iv) Protected creepage distance (mm)

vi) Rated current (Amps)

17 Proposed method of transformer transportation

18 Tap changing Equipment rating

a) Voltage class & current

b) Number of steps

d) Step voltage

f) Rated voltage of drive motor (volts)

g) No. of revolutions to complete one step

h) Time to complete one step on manual/auto operation (secs.)

i) Power required (kW)

19 Insulation Level

i) Lightning impulse withstand voltage (kVp

ii) Switching Surge withstand voltage (kVp)

iii) Power Frequency withstand voltage (kV rms)

i) Lightning impulse withstand voltage (kVp

ii) Power Frequency withstand voltage (kV rms)

i) Lightning impulse withstand voltage (kVp

ii) Switching Surge withstand voltage (kVp)

iii) Power Frequency withstand voltage (kV rms)

i) Lightning impulse withstand voltage (kVp

ii) Power Frequency withstand voltage (kV rms)

e) Neutral Bushings

i) Lightning impulse withstand voltage (kVp

ii) Power Frequency withstand voltage (kV rms)

20 Approximate dimensions

a) Tank (lxbxh) (mm)

b) Overall dimensions with coolers (lxbxh)

c) Shipping dimensions (lxbxh)

d) Height for un-tanking (mm)

e) Dimensions of largest (mm) package (lxbxh)

21 Weights of Transformer Components

b) Winding (Kg)

c) Insulation (Kg)

d) Tank and fittings (Kg)

f) Untanking weight (heaviest piece) (Kg)

g) Total weight (kg)

h) Weight of heaviest package (Kg)

i) Total shipping weight (Kg )

j) Parts detached for transport (furnish list)

22 Permissible overload (% of rating and time )

a) Minimum clearance between phases and phase to earth

ii) In air (mm)

b) Minimum clearance of HV winding to tank in oil (mm)

c) Minimum clearance of HV winding of earth in oil (mm)

d) Clearance between Core and Coil (mm)

e) Clearance between coils (mm)

f) Clearance between neutral to ground in air (mm)

a) Total Volume (Liter)

b) Volume between highest and lowest levels

25 Capacitance Values

a) HV to earth (pF)

b) LV to earth (pF)

26 (a) Type of oil preservation

b) Material of air cell

c) Continuous temp. withstand capability of the air cell

27 (a) No. of pressure relief device provided

b) Operating pressure of pressure relief device

a) Quality of Oil

i) Moisture Content (ppm)

ii) Max. tan-delta value (at 90 deg. C.)

iii) Resistivity (ohm-cm)

iv) Breakdown Strength (kV)

v) Interfacial tension at 20°C (min.)

b) Standards applicable

a) Type of construction (core/shell)

b) Net core area (mm2)

c) Core material and grade used

d) Type of joint between core and yoke

e) Thickness of stamping (mm)

f) Percentage silicon content (%)

g) Maximum flux density in core at rated frequency and at

i) 90% voltage (wb/sq.m)

ii) 100% voltage (wb/sq.m)

iii) 110% voltage (wb/sq.m)

a) Type of winding

b) Current density at rated load

i) HV (A/sq.mm)

ii) LV (A/sq. mm)

c) Conductor area

i) HV (A/sq.mm)

ii) LV (A/sq. mm)

d) Maximum current density under short circuit

i) HV (A/sq. mm)

ii) LV (A/sq. mm)

e) Magnetizing inrush current (Amps)

f) No load current (Amps) at rated frequency and at

i) 90% voltage (wb/sq.m)

ii) 100% voltage (wb/sq.m)

iii) 110% voltage (wb/sq.m)

g) Magnetising current at rated frequency and at rated voltage

h) Leakage reactance

i) High Voltage (Ohms)

ii) Low Voltage (Ohms)

i) Leakage resistance

i) High Voltage (Ohms)

ii) Low Voltage (Ohms)

a) Tank cover –Conventional /Bell Type

c) Approximate thickness of

ii) Bottom (mm)

iii) Cover (mm)

32 Vaccum withstand capability of

a) Main tank (torr)

b) Radiators and accessories (torr)

33 Pressure withstanding capability of

a) Main tank (torr)

b) Radiators and accessories (torr)

b) Temperature withstand capability (°C)

35 Minimum draw bar pull required to move the transformer on level track (kg)

36 Size of filter hose(mm)

37 Temperature Indicators

i) Manufacturer

i) Manufacturer

i) Manufacturer

iv) Auxiliary supply used

DATA SHEETS – BUSHING

CURRENT TRANSFORMER

1 Bushing Current Transformer on Auto Transformer

i) Type or voltage class

iii) Accuracy class

iv) Burden (VA)

v) Accuracy limit factor

vi) Knee point voltage (Volts) (minimum)

vii) Maximum resistance of secondary winding

viii) Maximum exciting (mA) current

i) Type or voltage class

iii) Accuracy class

iv) Burden (VA)

v) Accuracy limit factor

vi) Knee point voltage (Volts) (minimum)

vii Maximum resistance of secondary winding (Ohms)

viii) Maximum exciting (mA) current

c) Neutral side

i) Type or voltage class

iii) Accuracy class

iv) Burden (VA)

v) Accuracy limit factor

vi) Knee point voltage (Volts) (minimum)

vii) Maximum resistance of secondary winding

viii) Maximum exciting (mA) current

BIHAR STATE POWER TRANSMISSION COMPANY: PATNA

4.8 SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS FOR LT TRANSFORMER

Name of the tendering company

Sl.No Description As per Tenderer

1 Name & Address of Manufacturer

2 Voltage Ratio

4 Standards applicable

5 Rated frequency

6 Number of phases

8 Type of cooling

9 Tap changing equipment

ii) No. of steps & tap range

10 Positive sequence impedance at 75 C with 100% rating at

a) Principal tap

11 Temperature rise over an ambient of 50 deg.C

a) Top oil deg.C

b) Windings (by resistance measurement method ) deg.C

12 Guaranteed losses

a) Maximum no load loss on principal tap at rated voltage and frequency.(kW)

b) Maximum load loss at rated current at principal tap at 75 deg C(kW)

13 Withstand time for three phase short circuit at terminals (secs.)

14 Insulation level

a) Full wave lightning impulse withstanding

i) HV Winding (kVp)

ii) LV Winding (kVp)

15 Confirm whether similar equipment are type tested and are in successful operation for atleast two years.

16 Confirm whether similar equipment is tested for dynamic short circuit withstand capability ( furnish details)

4.9 SCHEDULED OF GUARANTEED TECHNICAL PARTICULARS OF 33 KV VCB

Name of the tendering company

Sl. No. Description As per Tenderer

1 Name of the Manufacturer

2 Manufacture’s type and designation

3 Governing standards

4 Rated voltage (kV)

5 Maximum continuous service rated voltage

6 Frequency (Mz)

7 Class (Outdoor)

8 Normal current rating (amps)

(i) Under standard condition

(ii) Under site condition

(iii) Derating factor, if any, for sites conditions

9 Short time current rating (KA)

i) For 1 second

(ii) For 3 second

10 Maximum temperature rise over ambient 50 C due to rated current in main contacts , measured after breaking test.

11 Rated short circuit breaking current

a) Rated short circuit current (AC component) KA (rms) at KV

b) Percentage DC component

c) Asymmetrical breaking current (including DC component) at KV

12 Making capacity (KA peak) part

13 Total break time (milli seconds)

(a) For interruption of 10% of the rated capacity

(b) For interruption of 30% of the rated capacity

(c) For interruption of 60% of rated capacity

(d) For interruption of the full rated capacity.

16 Minimum reclosing time at rated interrupting capacity from the instant of the trip coil energisation ( milli seconds )

17 Minimum Dead time

(a) 3 phase reclosing (milli second)

(b) 1 phase reclosing (do)

(c) Limit of adjustment of dead time for 1 phase reclosing

(d) Limit of adjustment of dead time for 1 phase reclosing.

18 Date on restriking voltage for 100, 50% or 30% rated capacity.

a) Amplitude factor

b) Phase Factor

c) Natural Frequency

d) Rate of Rise of Restriking Voltage (V) micro sec.

19 Maximum interrupting capacity under phase opposition condition (MVA) – indicate value as per test report.

20 Maximum line charging current breaking capacity without over voltage exceeding 2.5 time the rated phase to neutral voltage (amps – indicate value as per test report)

21 Maximum line charging current breaking capacity and corresponding over voltage recorded in test

(a) On supply side }

(b) On line side }

22 Maximum cable charging current breaking capacity and corresponding over voltage recorded in test

(a) On supply side }

(b) On line side }

23 Maximum shunt capacitor / Reactor Bank switching capacity (Single bank MVA)

24 Maximum breaking capacity on kilometric faults (MVA)

25 Maximum over voltage on switching transformer on no load and the charging current

26 Dry 1 minute power frequency test withstand voltage for complete circuit breaker.

(a) Between line terminal & ground parts (KV rms)

(b) Between terminal with breaker contacts open KV (peak

27 Wet 1 minute power frequency test withstand voltage for complete circuit breaker

28 1.2 / 50 microsecond wave impulse withstand test voltage for complete circuit breaker –

(a) Between the terminal & ground (KV peak)

(b) Between terminal with circuit breaker contacts open (kv peak)

SUPPORTING INSULATORS

29 Make and type

31 Transport dimension

32 Insulation class

33 Visible corona discharge voltage

34 Dry – 1 minute power frequency flashover voltage

35 Wet – 1 minute power frequency flashover voltage

36 1.2/5 microsecond impulse flashover voltage

37 Creepage distance to ground (mm) for heavily polluted atmosphere

38 Minimum clearance in air –

a) Between phase (mm)

b) Live parts and earth (mm)

c) Live parts to ground level (mm)

CONSTRUCTIONAL FEATURES

39 No. of poles per circuit breaker

40 No. of breaks per phase

41 Total length of breaks per hase (mm)

42 Type of main contacts

43 Materials of main contacts

44 Whether main contacts silver plated (Yes/no)

45 Thickness of silver coating on – main contacts (mm)

46 Contact pressure on main contacts (Kg/m2)

47 Type of arcing contacts

48 Contact pressure on arcing contacts (kg/m2)

49 Type of auxiliary switches

50 Material of switch contacts

51 Whether contacts silver plated (Yes/No)

52 No. of auxiliary switch contacts operating with all three poles or single pole of breaker

a) Which are closed when breaker is closed.

b) Which are open when breaker is closed

c) Those adjustable with respect to the position of main contacts.

53 No. of auxiliary switch contacts operating with individual pole of a breaker

a) Which are closed when breaker is closed.

b) Which are open when breaker is closed

c) Those adjustable with respect to the position of main contacts.

54 No. of spare auxiliary switch contacts operating with all three poles or single pole of breaker

a) Which are closed when breaker is closed.

b) Which are open when breaker is closed

c) Those adjustable with respect to the position of main contacts.

55 No. of spare auxiliary switch contacts operative with individual pole of breaker

a) Which are closed when breaker is closed.

b) Which are open when breaker is closed

c) Those adjustable with respect to the position of main contacts.

56 No. of operating possible without maintenance

(a) At full rated interrupting capacity

(b) At 50% of rated interrupting capacity

(c) At 100% of rated current

(d) At 50% of rated current.

57 Mounting flange details

58 Type of operating mechanism

59 Tripping and closing circuit voltage (V)

60 Power required for tripping coil

61 Power required for closing coil

62 Details of various selector switches

63 Details of push button switches

64 Details of various selector switches

65 Details of push button switches

66 Contigencies for which alarm provided

67 Desin data for supporting structure.

68 Weight of supporting structure (Steel) per breaker

69 Time required by motor to charge the closing spring

SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS FOR VOLTAGE TRANSFORMER

Name of the tendering company

Sl. No. Description As per Tenderer As per Tenderer As per Tenderer As per Tenderer

400KV 220 KV 132 KV 33 KV

2) Rated primary Voltage(KV)

3) Number of Secondary windings

4) Rated Secondary Voltage(KV)

5) Rated Burden(VA)

6) Accuracy Class

7) Maximum ratio error with rated burden and 5% normal primary voltage

8) Maximum phase angle error with rated burden and 5% normal primary volatage.

9) Variation in ratio and Phase angle error for variation in

a) Voltage by 1%

b) Frequency by 1 Hz

10) Temperature rise at 1.1 times rated voltage with rated burden

11) Rated Voltage factor and time.

12) 1.2/50 micro second impulse wave withstand test voltage (KV peak)

13) One minute power frequency withstand test (dry) Voltage KV rms.

14) One minute power frequency withstand test (wet) Voltage KV rms.

15) One Minute Power Frequency withstand voltage on secondary (KV rms)

16) Minimum creepage distance (mm)

a) Moderately polluted atmosphere

b) Heavily Polluted atmosphere

17) Whether corona shield provided or not ?

18) Weight of oil (Kg.)

19) Total Weight(Kg.)

20) Overall dimensions

21) Mounting Details

4.11 SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS FOR BATTERY & BATTERY CHARGERS

The tender shall furnish the technical particulars give for the battery set

Name of the tendering company

Sl.No. Description As per Tenderer As per Tenderer

A. BATTERY 220V 48V

2) Number of Battery Sets furnished

3) (i) Type of Battery

ii) manufacturer's catalogue No.

4) Amper hour rating of the battery at 10 hours rate

5) Voltage rating

6) Ten (10) hours discharge rate to 1.85 volts per cell :

7) One (1) hour discharge rate top 1.85 volts per cell

8) One(1) minute discharge rate to 1.85 volts per cell

9) Short Circuit Current for dead short across the Battery terminals when

a) Floated at 2.23 Volts per cell

b) Quick charged at 2.3 Volts per cell

10) (a) Is the battery furnished to sufficient capacity to meet the duty indicated

11) Battery conforms to ISS/BSS

12) Battery layout arrangement, drawing enclosed

a) Number of Cells per Battery

b) Type of the Cell

c) Cell designation as per ISS

d) Material & Thickness of the Container

e) Overall dimensions for each Cell.

f) Weight of complete cell with acid

g) Weight of acid required per cell

h) Normal cell voltage

14) Inter Cell connectors

a) Intercell connector furnished

b) Type of Intercell, Connected bolted or not ?

c) Material of Inter cell connector

a) Number of positive plates per cell.

b) No. of negative plates per cell

c) Type of positive plate

d) Type of Negative Plate

17) Battery Electrolytes

a) Amount of Electrolyte for first filling………..

b) First filling with 10% extra furnished

c) Electrolyte conforms to :-

d) Sp gravity of electrolyte at 27oC

e) Sp gravity of electrolyte at the end of discharge at hors rate :-

f) Sp gravity at the end of full charge:-

a) Number of racks per Battery

b) Number of cell per rack

c) Type of Rack(Row/Tiers)

d) Material of racks

d) Rack provided with

I) Numbering tags for cell

ii) Wood clamps for cables

19) Inter-row, Inter-tier connector and take off to be furnished

20) Recommended rate for Charging the Battery in 10(ten) Hours

21) Recommended Float Charge Rate

22) Cell Voltage charging At 0.5/1.0 and 1.5 times normal rate enclosed.

23) AH Efficiency (%)

24) WH Efficiency (%)

25) Maximum charging current per cell

26) Nominal Charging Current

27) Type pf supporting Insulator

28) Assured life span of Battery

29) Accessories furnished with battery set

B. BATTERY CHARGER

1) Manufacture's type, designation

2) Number of Charger furnished

a) Voltage (Volts)

b) Current (Amps)

c) No. of phases

d) Frequency, Cycles / Sec

e) Power factor

4) Rated D.C. Output for

a) Boost Charger (KW)

b) Float Charger (KW)

5) Rated D.C. output voltage for

a) Boost Charger (Volts)

b) Float Charger (Volts)

6) Rated D.C. output current for

a) Boost Charger (Amps)

b) Float Charger (Amps)

7) Rated D.C. voltage control for

a) Boost Charger (Volts)

b) Float Charger (Volts)

8) D.C. output voltage regulation from no load to full load volts

9) Maximum ripple content (%)

10) Method of control

a) Float Charger

b) Boost Charger

c) Load Limiting feature provided in the both Charger

11) Transformer

13) A.C.Switch fuse Unit

b) Continuos Rating

c) Interruption Rating

14) A.C.Contactor

b) Continuous Rating

c) Interrupting rating

16) D.C.Contactor(marked)

b) One(1) minute rating

c) One(1) hour rating

17) Blocking Diode

b) One Minute Rating

18) D.C.Ammeter/Voltmeter

19) a) Scales of meter (Voltmeter)

a) Float Charger

b) Boost Charger

20) Battery Charger panel

b) Thickness of steel metal

c) Overall dimenmsions (WXLXH)

d) Approximate Weight

20) Equipment conforms to………….

21) Any other particular which may need tobe mentioned, please mention

4.12 SCHEDULE FOR GUARANTEED TECHNICAL PARTICULARS FOR CONTROL CABLES

Name of the tendering company

Sl.No. Description As per Tenderer

3 Standard Applicable

a) Voltage Grade

b) Suitable for Service Voltage and System of Earthing.

4 Maximum Conductor temperature

5 Conductor(Copper)

b) Form of Conductor

c) Number of Cores

d) Number of diameter (Stranded/Solid) of wire per core.

a) Material Insulation

c) Average Dielectric Strength

d) Dielectric Constant

7 Suitability with regard to temperature moisture ozone, acid and alkaline surroundings

8 Thickness of sheath over conductor, if any………..mm.

9 Material of sheath over cable

10 Thickness of sheath over cable………mm.

11 Electrical Performance

a) Conductor resistance at 20°C per KM

b) Maximum conductor temperature

c) Under full load

d) Under transient condition

e) Maximum operation Voltage……..Volts

f) Insulation resistance of 1 Km of cable at 20°C Mega Ohms

g) Power afactor or loss angle.

h) Tan delta of dielectric materials

I) Dielectric loss per km at rated voltage.

j) Power frequency with stand voltage KV rms.

k) Current loading data for the cable for specified operating temperature.

12) Type of Cable : Single core or stranded

a) In air in cable trays

b) In cable channels

c) In cleode ducts

d) In cable conduits and Pipes

13) Derating factors for

a) Ambient temperature

b) Grouping of 3 or 4 cables in air.in trays, channels for different spacing between cable and in closed ducts in touching position.

14) Allowable short circuit current for one Sec.

15) D.C.Withstand voltage

16) A.C. 50 Cycles/ second impedance.

17) A.C. 50 Cycles/ second impedance.

MECHANICAL DATA

18) Weight of Cable

a) Wt. Of conductor per Km.

b) Wt. Of PVC compound per Km.

c) Complete wt. Per Km.

d) Wt. Of Armour

19) Overall diameter

20) Maximum length per drum

21) Drum dimensions

22) Gross weight of cable drum

23) Maximum Pulling tension

24) Minimum bending radius

25) I.S.I. Certification No.

4.13 GUARANTEED TECHNICAL PARTICULARS FOR PG CLAMPS/BUS SUPPORT CONNECTOR/T-CONNECTOR, PALM CONNECTOR SUSPENSION FITTING AND TENSION FITTING (TO BE FILLED BY TENDERER)

Name of the tendering company

Sl.No. Description As per Tenderer As per Tenderer As per Tenderer

For Moose conductor For Zebra conductor For Panther conductor

1 Maker's Name and Country :

4 Slipping Strength :

5 Breaking Strength :

6 Electrical conductivity

a) Resulting heating cycle test carried out

b) Value of Electrical resistance.

7 Corona formation voltage & Radio Interference level.

8 Standard specification to which conforms :

9 Make of Bolts & Nuts :

10 Packing Details :

11 Drawings indicating all dimensions and material used to be submitted

12 Details of type test report submitted for each type of clamps and connector. :

13 Weight of each complete set with bolts & nuts PG Clamp/T Connector/Bus support/Any other type :

a) Non ferrous parts

b) Ferrous parts

14 Number and weight of only bolts & nuts used in each set.

15 Minimum Thickness ocurring at any part of the clamps connector.

Furnish separate schedule for each type

4.14 SCHEDULE OF THE GUARANTEED TECHNICAL PARTICULARS FOR SF6 CIRCUIT BREAKERS

Name of the tendering company

Sl. No. Description As per Tenderer 400 KV As per Tenderer 220 KV As per Tenderer 132 KV

1 Name of the manufacturer

2 Manufacturer’s type and designation

3 Governing Standard

4 Rated voltage (kV)

5 Maximum continuous rated service voltage

6 Frequency (Hz)

8 Normal Current rating (amps)

a) Under standard conditions

b) Under site conditions

c) Derating factor, if any, for site conditions

9 Short time current rating (kA)

10 a) For 1 second

b) For 3 seconds

11 Maximum temperature rise over ambient 50°C due to rated current in main contacts, measured after breaking test

12 Rated short circuit breaking current

a) Rated short circuit current (A.C. component)-kA (Rms)- at kV

b) Percentage D.C. component

c) Assymeterical breaking current (including D.C. component) - at kV

13 Making capacity ( kA peak)

14 Total break time (milli second)

a) For interruption of 10% of the rated capacity

b) For interruption of 30% of the rated capacity

c) For interruption of 60% of the rated capacity

d) For interruption of the full rated capacity

15 Arcing time (milli seconds)

16 Making time (milli seconds)

17 Minimum reclosing time at rated interrupting capacity from the instant of trip coil energisation (milli seconds)

18 Minimum dead time

a) 3 phase reclosing (milli seconds)

b) 1 phase reclosing ( - do - )

c) Limit of adustment of dead time for 3 phase reclosing

d) Limit of adjustment of dead time for 1 phase reclosing

19 Data on restriking voltage for 100%, 50%, 30% rated capacity

a) Amplitude factor

b) Phase factor

c) Natural frequency

d) RRV Micro second

20 Maximum interrupting capacity under phase opposition condition ( MVA - indicate value as per test report)

21 Maximum line charging current breaking capacity and corresponding over voltage recorded (Amps - indicate value as per test report)

a) on line side

b) on supply side

22 Maximum line charging current breaking capacity without over-voltage exeeding 2.5 times the rated phase to neutral voltage (Amps - indicate value as per test report)

23 Maximum cable charging current breaking capacity and corresponding over-voltage recorded in test

a) On supply side

b) On line side

24 Maximum shunt capacitor/Reactor bank switching capacity ( Single bank MVA)

25 Maximum breaking capacity on Kilometric faults (MVA)

26 Maximum over-voltage on switching transformer on no load and the charging current

27 Dry 1 minute power frequency test withstand voltage, for complete Circuit Breaker

a) Between line and grounded parts ( kV rms)

b) Between terminals with breaker contact open ( kV rms)

28 Wet 1 minute power frequency test withstand voltage for complete Circuit Breaker

a) Between line terminals and grounded parts ( kV rms)

b) Between terminals with breaker contact open

29 1.2/50 microseconds wave impulse withstand voltage for complete Circuit Breaker

a) Between terminals with circuit breaker contacts open( kV peak)

b) Between the terminals and the ground ( kV peak)

SUPPORT INSULATORS

30 Make and type

32 Transport Dimension

33 Insulation class

34 Visible Corona discharge voltage

35 Dry 1 minute power frequency flashover voltage

36 Wet 1 minute power frequency flashover voltage

37 1.2/50 microsecond impulse flashover voltage

38 Creepage distance to ground for heavily polluted atmosphere

39 Minimum clearance in air

a) Between phases

b) Live parts and earth

c) Live parts to ground (mm)

CONSTRUCTIONAL FEATURES

40 No. of poles per Circuit Breaker

41 No. of breaks per pole

42 Total length of break per phase (mm)

43 Type of main contacts

44 Material of main contacts

45 Whether main contacts are silver plated ( Yes/No)

46 Thickness of silver coatings on main contacts

47 Contact pressure on main contacts (kg/sq. meter)

48 Type of arcing contacts

49 Contact pressure on arcing contacts (kg/sq. meter)

50 Type of auxiliary switches

51 Material of switch contacts

52 Whether contacts are silver plated (Yes/No)

53 No. of auxiliary switch contacts operating with all three poles or single pole of a breaker

a) Which are closed when breaker is closed

b) Which are open when breaker is closed

c) Those adjustable with respect to the position of main contacts

54 No. of auxiliary switch contacts operating with individual pole of a breaker

a) Which are closed when breaker is closed

b) Which are open when breaker is closed

c) Those adjustable with respect to the position of main contacts

55 No. of spare auxiliary switch contacts operating with all 3 poles or single pole of breaker

a) Which are closed when breaker is closed

b) Which are open when breaker is closed

c) Those adjustable with respect to the position of main contacts

56 No. of spare auxiliary switch contacts operating with individual pole of a breaker

a) Which are closed when breaker is closed

b) Which are open when breaker is closed

c) Those adjustable with respect to the position of main contacts

57 No. of operation possible without maintenance

a) at full rated interrupting capacity

b) at 50% of rated interrupting capacity

c) at 100% of rated current

d) at 50% of rated current

58 Mounting flange details

59 Type of Operating mechanism

60 Tripping and Closing Circuit Voltage

61 Power required for trip coil

62 Power required for Closing coil

63 Details of various selector switches

64 Details of push button switches

65 Contingencies for which alarm provided

66 Weight data for supporting structure

67 Weight of supporting steel structure per breaker

68 Time required for motor to charge the closing spring (minute)

CONTROL CABINETS :

69 Details of running hour meters

70 Details of start counter

71 Details of various selector switches

72 Dimension of the control cabinets

73 Weight of control cabinet

WEIGHT & SPACE REQUIREMENT

74 Weight of 3 phase breaker complete with operating mechanism insulating supports frame work, etc.

75 Impact loading for foundation design to include dead load plus impact value on opening at max.

interrupting ratings in terms of equivalent static load.

76 Weight of the heaviest package

77 Circuit Breaker

78 Air Compressor of SF6

79 Duration of service of the breaker after first filling of SF-6 without any replenishment

80 Type of flow of SF-6 (Axial/Radial)

81 Type of nozzles (single/double)

82 Material of Nozzles

83 Dead or live tank

84 Normal operating pressure (kg/sq.cm)

85 Normal gas density (gm/cc)

86 Minimum gas density ( gm/cc)

87 Requirement of gas per breaker(kg)

88 Lockout pressure ( Kg/sq.cm)

89 Details of gas fillers

90 Life of gas fillers

91 Guaranteed maxm. leakage per hour under climatic conditions specified in the tender during operation.

92 Working on single or dual pressure

4.15 SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS FOR 220 KV ,132kV AND 33kV CLASS GAPLESS LIGHTING ARRESTOR

Name of the tendering company

Sl.No. Description As per Tenderer As per Tenderer As per Tenderer As per Tenderer

400 KV 220 KV 132KV 33KV

5 No.of units per arrester

7 Nominal System Voltage

9 Highest System Voltage

10 Maxm. Continuous Operating Voltage(MCOV)

11 Nominal Discharge current(8x20)

12 Maximum residual voltage(8x20) (Lightning Impulse)

13 Switching current Impulse residual Voltage (45x90)

I) at 1000 AMP Maximum Minimum

ii) at 1000 AMP Maximum Minimum

14 High current Impulse withstand

15 Steep Front Current Impulse Max. Residual Voltage (10 KA of 10 MS)

16 Lightning Impulse residual Voltage (KVP)(8x20)

17 Long duration Discharge Class-III

18 Energy discharge Capability (KJ/KV)

19 Pressure Relief Class

20 Max. Radio Interference Voltage at COV(MV)

21 Reference Voltage at AMB, TEMP

22 Reference Current at AMB, TEMP

23 Resistive/Capacitive Components of Continuous Current at Ambient temperature.

24 Power Freq. O/v Capability (RMS) for

25 Capability of wiothstand over voltage immediately after discharge Energy Equivalent to maxm. capability of the Arrester

26 Arrester Housing Insulation withstand valuses

I) Lightning Impulse

ii) Switching Impulse

iii) Power Frequency Dry/Wet.

27 Creepage Distance (mm)

28 Cantilever Strength

29 Voltage/Time Curve

30 Other dimensional details

31 Diameter of Zinc Oxide blocks(in mm)

32 Height of discs (in mm)

33 Energy dissipation capability of the disc in assembled condition inside LA

34 Calculation showing KJ/per KV rating of the disc.

35 Details of thermal circuit employed for dissipation of heat.

36 Copy of latest type test Report furnished or not

37 Height of complete unit from base to lineside(mm)

38 In case ring type blocks are used indicate dimension of O.D & I.D.

Furnish separate schedule for each type

4.16 SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS FOR CURRENT TRANSFORMER

Name of the tendering company

Sl. No. Description As per Tenderer As per Tenderer As per Tenderer As per Tenderer

400 KV 220 KV 132 KV 33 KV

1 Manufacturer's name & type designation

3 Rated Voltage

4 Rated Primary Current

5 Rated Secondary current

6 No. of Cores Rated Output(VA) Rated Output(VA) Class of Accuracy Accuracy Limit factor

7 Secondary Voltage Exciting Current in mA

8 Short time thermal rating of Primary(Amps)

b) Three Second

9 Rated dynamic current of Primary (Peak value)

10 Rated continuous thermal current

11 Temperature rise at rated continuous thermal current over ambient temperature of 50°C.

b) Oil at the top

c) Exposed current carrying parts.

12 One minute power frequency dry withstand test voltage(KV rms)

13 Magnetisation curve of CT core

14 Characteristics:-

a) Ratio and phase angle curves

b) Magnetisation curves

c) Ratio correction factor curves

d) Limits of composite error at rated primary saturation current (for protective CT core)

15 Variation in ratio and phase angle error due to variation

a) Voltage by 1%

b) Frequency by 1 %

16 Current density in primary windings

17 Weight of coil

18 Total weight

19 Mounting details

20 Overall dimensions

21 Overall creepage distance in mm

Furnish separate schedule for each type

4.17 SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS OF DISC INSULATORS

Name of the tendering company

Sl.No. Description As per Tenderer As per Tenderer As per Tenderer

1) Disc insulators 70KN 90KN 120 KN

I) Maker's name & Address

ii) Type of Insulator

iii) Size & Designation of Ball & Socket

iv) Disc Diameter(mm)

v) Unit Spacing(in mm)

vi) Creepage distance (in mm)

ix) Electro-Mechanical Strength(in Kg.)

x) Minimum failing load(in kg.)

xi) Impulse withstand test voltage

xii) Impulse withstand test voltage (1.2x50 Micro-second-Ve wave, KV(Peak)

xiii) Power frequency dry withstand test voltage, KV rms

xiv) Power frequency wet withstand test voltage, KV rms

xv) Power Frequency dry flashover voltage, KV rms

xvi) Power frequency wet flashover voltage,KV rms

xvii) Impulse flash over voltage 1.2x50 micro Sec. + Ve wave , KV (Peak)

xviii) Impulse flash over voltage 1.2x50 micro Sec. - Ve wave , KV (Peak)

xix) Power frequency puncture voltage, KV rms

xx) Net weight of single Insulator unit(in kg.)

xxi) I.S.S. to which insulator will conform

xxii) Type of locking Device and its dimension

xxiii) Reference of drawings enclosed

xxiv) Reference of Type test and other Test Reports enclosed.

xxv) Whether inter changeability guaranteed

xxvi) Details of Galvanisation of ferrous parts

xxvii) Other details, if any

4.18 SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS FOR HARDWARE FITTINGS(MOOSE, PANTHER AND E/W)

Name of the tendering company

Sl.No. Description As per Tenderer As per Tenderer As per Tenderer

A) Accessories/Fittings for ACSR Panther/ Moose Conductor. For Moose For Zebra For Panther

1 M.S.COMP.JOINT

I) Manufacturer's name/Address

a) Outer sleeve

b) Inner Sleeve

iv) Outside dimension of sleeve:

a) Before Compression-

b) After Compression

v) Length of Sleeve before compression

After compression:

vi) Weight of Sleeve:

vii) Slipping strength expressed as percent age of U.T.S. of ACSR Conductor

viii) Breaking strength expressed as percentage of UTS of ACSR Conductor

ix) Conductivity expressed as % of conductivity of ACSR Conductor

x) Resistance expressed as percentage of measured resistance of equivalent length of conductor

xi) Reference drawing

xii) I.S.S.to which conforms

xiii) Galvanisation

xiv) Packing details

xv) Any other particulars if any

2 REPAIR SLEEVE:

I) Manufacturer's name/Address

iv) Outside dia of sleeve :

a) Before compression

b) After compression

v) Length of Sleeve;

a) Before compression

b) After compression

vi) Weight of sleeve

vii) Breaking strength expressed as percentage of UTS of ACSR Conductor

viii) Conductivity expressed as % of conductivity of ACSR Conductor

ix) Resistance expressed as percentage of measured resistance of equivalent length of conductor

x) I.S.S.to which conforms

xi) Reference drawing

xii) Packing details

xiii) Any other particulars if any

3 HARDWARE FITTINGS

a) Disc Insulators for which suspension/Tension fittings should match

I) Type of insulator

ii) Size & designation of ball & Socket

iii) Porcelain disc dia

iv) Unit spacing

v) Electro-mechanical Strength

vi) Standard to which disc will conform

b) INSULATOR STRING ARRANGEMENTS

I) No.of disc per string

ii) Length of string assembly(in mm)

iii) Electro-mechanical strenght(in Kg)

iv) Creepage distance (mm)

v) Reference drgs.

vi) Weight of String assembly

I) Manufacturer & Name & Address

iii) Manufacturing Process

v) Breaking strength (minimum)

vi) Slipping strength

vii) Angle of inclination of jumper terminal

viii) ISS to which conforms

d) HARDWARE (Material)

I) Socket Clevis

ii) Ball Clevis

iii) Anchor Shackles

vi) Socket Link

vii) Yoke Plate

f) Nuts & Bolts

g) Reference drawing

I) Any other particulars if any

4 PERFORMED ARMOUR RODS

I) Maker's name & Address

iii) Total weight of a set of armour rods(Kg)

iv) No. of wire per Set

v) Diameter of wire

vi) Length of wire

vii) Percentage tolerance on length of dia of wire

viii) Overall dia of conductor after use of the armour rods(mm)

ix) Centre making provided (Y/N)

x) Pitch of Helix

xi) Direction of lay

xii) Corona & RI performance values

xiii) Efficiency of damping

xiv) Packing details

xv) End condition

xvi) Any other particulars if any

xvii) Reference drawing

5 VIBRATION DAMPERS

I) Maker's name/Address

iii) Total wt. Of each damper(Kg.)

iv) Diameter of balancing weight(mm)

v) Length of balancing weights (mm)

vi) Weight of each balancing weight(Kg)

vii) Tolerance in Balance weight %

viii) Material, quantity length and size of messenger cable

ix) Slipping strength of messenger cable(Kg)

x) Diagram showing power dissipated by the damper for various vibration frequency & amplitude

xi) Damping effeciency of damper

xii) Natural frequency of the damper

xiii) The number of dampers required per span for various span length and their spacing

xiv) Position of fixing damper on the conductor from the clamp mouth

a) At tension Points :

I) First damper(mm)

ii) Second damper(mm)

iii) Third damper(mm)

b) At suspension Points (after fixing armour rod)

I) First damper(mm)

ii) Second damper(mm)

iii) Third damper(mm)

xv) Corona & RI performance value

xvi) Packing details

xvii) Reference Drg.

B) ACCESSORIES/FITTINGS FOR 7/9 SWG EARTHWIRE

1) COMPRESSION JOINTS:

I) Manufacturer's name & Address

ii) Reference Drawing

vi) Minimum failing load

vii) Galvanisation

a) Ferrous part

b) Quality of Zinc used

c) No.of dips which the materials can withstand

viii) Standard to which conforms

ix) Packing details

x) Any other particulars

2) VIBRATION DAMPER

I) Manufacturer's name & Address

ii) Reference Drawings

iv) Total wt. Of each damper

v) Dia of balancing wt. (mm)

vi) Length of balance wt.(mm)

vii) Weight of each balance wt.

viii) Tolerance in balance wt.

ix) Material quality, length size of messenger cable

x) Slipping strength of messenger cable(Kg)

xi) Diagram showing power dissipated by the damperfor various vibration frequency and amploitude

xii) Damping effeciency by damper

xiii) No.of damper required for span for various span length and their spacing

xiv) Position of fixing damper on the wire from the damp clamp mouth

xvi) Any other particulars

3 SUSPENSION & TENSION CLAMPS WITH FLEXIBLE COPPER BOND:

I) Manufacturer's Name/Address

ii) Reference Drawing

vi) Slip Strength

vii) Minimum failing load

viii) Galvanisation:

a) Ferrous part

b) Spring Washer

c) Quality of Zinc

d) No.of dip which the clamp can withstand

ix) Standard to which conforming

x) composition of material

xi) Packing details

xii) Any other Particulars

4 REPAIR SLEEVE:

I) Manufacturer's name & Address

iv) Outside dia of sleeves

a) Before Compression

b) Aftere compression

v) Length of Sleeve

a) Before Compression

b) Aftere compression

vi)c Weight of Sleeve

vii) Conductivity

viii) Breaking strength

x) ISS to which conforms

xi) Reference Drawing

xii) Packing Details

xiii) Any other particulars

4.19 SCHEDULE OFGUARANTEED TECHNICAL PARTICULARS OF POST INSULATORS

Name of the tendering company

Sl. No. Description As per Tenderer

1) Maker's name & Address

2) Type of insulator

a) Height in mm

b) Maximum diameter in mm

c) Minimum diameter in mm

4) Creepage distance in mm(not less than)

5) Cantilever in Kg.

6) Tensile strength

7) Torsional Strength in Kg.

8) Visible discharge test voltage (Power frequency )KV rms

9) 1 min. P.F.witstand Test Voltage in KV (rms)

10) Impulse Voltage withstand test in KV (Peak) positive & negative

11) Power frequency Flashover Voltage in KV(rms)

12) Impulse flashover voltage in KV (Peak) positive & negative

13) Net weight per unit

SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS OF EARTH WIRE

Name of the tendering company