WBSIDCL/48 Elec of 2025-26 Sl 1

Type: Monocrystalline, Bifacial module PERC technology half-cut crystalline silicon 72x2 Cell

Origin : Manufactured in India

Efficiency: >= 18%

Fill factor: >= 70%

Degradation warranty: >=90% of design nominal power after 12 years, >=80% of design nominal power after 25 years.

Module frame: Non-corrosive and electrolytically compatible with the mounting structure compatible with the mounting structure

Termination box: Thermo-plastic, IP 65 or above, UV resistant

Blocking diodes : Schottky type Each PV module must contain 3 nos. of Bypass diodes

Module minimum rated power The nominal power of a single PV module shall not be less than 375Wp.

Potential Induced Degradation(PID) Test :Modules with PID testing certificate at following test conditions or better:

a) Temperature: 450 ± 2°C

b) Negative Voltage of 1000 volts

c) Relative humidity: 70%

d) Test period: 96 hours

RF Identification tag for each solar module: Yes. Must be able to withstand environmental conditions and last the life time of the solar module

RF Identification tag data :

a) Name of the manufacturer of PV Module

b) Name of the Manufacturer of Solar cells

c) Month and year of the manufacture (separately for solar cells and module)

d) Country of origin

e) I-V curve for the module

f) Wm, Im, Vm and FF for the module

g) Unique Serial No and Model No of the module

h) Date and year of obtaining IEC PV module qualification certificate

i) Test certificate issuing by: NABL/IEC accredited testing laboratories or MNRE accredited test centers

j) Other relevant information on traceability of solar cells and module as per ISO 9000 standard

Power output rating :

To be given for standard test conditions (STC). I-V curve of the sample module should be submitted.

Compliance with standards abd codes :

IEC 61215/ IS 14286, IEC 61730, IEC:61701/IS:61701, IEC: 62804

Salt Mist Corrosion Testing As per IEC 61701

Thickness: 4.0 mm minimum for 72 Cell PV Module

S & I Hot dip galvanized MS Structured for mounting of about 18 nos. SPV Modules with galvanization thickness of minimum 85 micron as per following specification.

Wind velocity withstanding : capacity 200 km / hour

Structure material : Aluminium alloy 6063-T6 with an L-angle profile size of not less than 50 x 50 x 6mm and U-profile channels of not less than 33 x 33 x 3 mm.

Bolts, nuts, fasteners, panel mounting clamps : Stainless steel SS 304

Mounting arrangement for RCC flat roofs : With removable concrete ballast made of pre-fabricated PCC (1:2:4), M15

Mounting arrangement for metal sheet roofs Mounting directly on the sheet metal, ensuring stability and wind withstanding capacity, or penetrating the sheet metal and fixing to the sub-structure, ensuring that the roof remains water proof and ensuring stability and wind withstanding capacity.

Mounting arrangement for elevated structure: The elevated structure has to be securely anchored to the supporting surface. Concrete foundation of appropriate weight and depth for elevated structure direct mounted directly on the ground bolted with anchor bolts of appropriate strength for elevated structures mounted on RCC surface.

Mounting arrangement for ground installations: With removal concrete ballast made of pre-fabricated PCC (1:2:4), M15, assuring enough ground clearance to revent damage of the module through water, animals and other environmental factors.

Installation: The structure shall be designed for simple mechanical on-site installation. There shall be no requirement of welding or complex machinery at the installation site.

Minimum distance between roof edge/fence and mounting structure: 600 mm to 1000 mm as approved by EIC as per site condition.

Access for panel cleaning and maintenance: All solar panel must accessible from the top for cleaning and from the bottom for access to the module-junction box.

Panel tilt angle: North-south orientation with a fixed tilt angle depending on the location. The tilting angle range in Karakal will be 10.5 to 11 degrees, south facing.

S & Macking of necessary concrete foundation column for module mounting structure as mention below Ordinary cement concrete M-15 (1:2:4) with graded stone chips (20 mm) excluding shuttering & reinforcement if any in ground floor as per relevant IS code.

Total output power (AC) : To match solar PV plant capacity while achieving optimum system effiency (DSP Band inverters to ensure higher efficiency)

Input DC voltage range: 200V - 950V

Maximum point (MPPT) tracking : Yes

Number of independent MPPT inputs : Minimum 3 nos

RFI : To minimize the both conducted and radiated RFI emissions

Internal Consumption Night : < 1.5 Watt

Regulation : Maximum 5% against input voltage and load variation

Dielectric strength : 1.1 KV between input/output with ground with EMI protections & 1.5 KV between input and output

Instrumentation: Input Voltage & Current, Output Voltage & Current, Frequency.

Status Indication : Input, Output, Inverter (On/Trip/Fault/Off)

Fault Indication : Visual indication with blinking super glowing LED audio

Degree of Protection : IP65

Cooling : Fan forced

Power Switching : High Efficiency IGBT

Power Control : Phase controlled pulse width modulation

Earthling Provisions : AC bypassing to earth on Inverter and DC inputs

Surge rating : 150% of rated output for 30 seconds

Grid Acceptable Range : AC Voltage +/- 17%, +/- 3

Operation AC voltage: Three phase 415 V ( + 12.5%, -20 %)

Operating Frequency range : 47.5 - 52.5 Hz With range for grid voltage and frequency parameters

Nominal frequency : 50 Hz

Power factor of the inverter :. 0.98 at nominal power

Total harmonic distortion : Less than 3 %

Built - in Protection :i. Input over voltage ii. Reverse-polarity protection iii. Reverse current to PV array protection, over voltage, iv. Under voltage protection v. Over current vi. DC inject protection to grid vii. Over current viii. Over and under grid frequency protection ix. Anti-Islanding protection (As per VDE 0126-1-1/IERC 60255.5 or equivalent standards. Testing as per IEC)

Operating ambient temperature range: - 10 degree C to + 60 degree C

Humidity : 0 - 95% Rh

No load losses : less than 1% of Rated output

Self commutated IGBT base invertors with pulse width modulation invertor on/off Switch to be provided

General Test & Measuring Methods - IEC 61427

PVC insulated cables for working Voltages up to & including 1100V - IS 694/IS 1554

PVC insulated cables for working Voltages up to & including 1100V, UV resistant for outdoor installation - IS/IEC 69947

DC Cable

Conductor: Tinned annealed stranded flexible copper

Insulation: PVC/XLPE as per direction by EIC

Standard : PV standard, 1.8 kV grade DC cable IS 694

Make: Polycab / LAPP / Top Solar / Nexans / Schneider or equivalent as approved by EIC.

AC Cable

Rated Voltage : 1.1 KV

Construction: Excellent resistance to Heat, Fire, Oil, Cold, Water, Abrasion, UV radiation

Type: Armored or Unarmored as per requirement

Conductor: Stranded flexible Copper /Armored aluminum

Insulation: PVC

Standard: IS 1554

Make: Polycab / LAPP / Havell’s / RR Cable or equivalent as approved by EIC

For further technical details please refer to "Technical Specification of SPV Modules" at page no.- 18 to 20 of Annexure-I

Maximum Roof space utilization : 12 sqm / kwp for true south

Degree of Protection: IP65 with UV protected

Design Factor of Safety: 1.5

Material: Polycarbonate

Withstanding Voltage : 1000 VDC

With standing Temperature : 100 degree C

Accessories mounting arrangement : DIN rail or as suitable

Number of Strings entry : As may be required

Cable Entry and Exit connector type : MC4(PV Array String cable)

Position : Bottom at cable entry and exit

Cable Entry and Exit connector type : MC4(PV Array String cable)

Cable gland : Earthling cable entry

Fuse: Glass fuse, 1000 V, 25A

Fuse holder: Terminals, lugs and bus bar made by Tinned copper

Position : Positive and negative terminal for each series string

Type: Glass fuse, for PV use only

Rating : Current: Minimum 1.25 times the rated short-circuit current of the series string

Earthing Provision : Terminal blocks will have to be provided for Earthing

The footing base of the structure should be painted by good quality (IS approved) water proofing bituminous paint.

Front cover: Transparent

Surge protecting device (SPD): PV standard, Type2, 1000V, 20KA (Y connection shall also be considered)

S & F Grid Interfacing LT Panel / ACDB as per following specifications with Energy meter including necessary connection and earthing attachment.

Make : ABB / L & T / Siemens / Schneider / Havells / Crabtree or equivalen

Type : 4 Pole TPN

Rating : Suitable rated as per direction by EIC

Bus Bar

Rating :3 Ø with Neutral, 415V 16A

Type : Aluminum

Indicator (incoming & outgoing side): R,Y,B with fuse

Earthing Provision: Terminal Blocks will be provided for Earthing

Enclosure

Degree of Protection : IP 42/43

Type : Sheet Steel, Powder coated. Horizontal / Vertical Enclosure dust and Vermin proof

Type of Fixing: Wall Mounted

Accessories mounting arrangement : DIN Rail or as Suitable

S & F Lightning conductor Air-terminals made of 15 mm dia 1500 mm long GI pipe (ISI Medium) having five prongs of 4 SWG GI (Hot Dip) wire at top with 85 mm dia 6 mm thick GI base plate at bottom incl. necessary holes etc. duly grouted on the parapet etc. in CC mortar (4:2:1)

Supply & fixing GI (Hot Dip) strips 25 mm x 6 mm thick for horizontal run on the Parapet/Roof/ Wall with GI Saddles 1100 mm apart incl. mending good the damages to building works

Supply & fixing of GI (Hot Dip) strips 25 mm x 6 mm thick for vertical run on wall with GI saddles spaced not exceeding 1000 mm apart incl. mending good damages to building work

For further technical details of Item no.-1.09 to 1.11 please refer to "Technical Specification of SPV Modules"

Connectivity arrangement i.e; connection of net metering system as follows with local DISCOm network and coordination with DISCOm as stated below.

For Net metering system: The existing service connection energy meter is to be replaced by the distribution licensee with a bidirectional energy meter of the same accuracy class as the existing service connection meter. If the existing service connection meter is already programmed for bidirectional energy recording there will be no need of replacing the matter.

Installation, Testing and commissioning including Transposition charges.

a) Type Test Certificates shall be provided for the solar modules and the solar grid inverters to provide evidence of the complience with standards as specified this Technical Specification. Client reserves the right to ask for additional test certificates or (random) tests to establish compliance with.

Five (5) years Annual Maintenance as per follows.

Preventive/Routine Maintenance: This shall include activities such as routine checking the health of the SPV Power plant, tightening of all electrical connections, changing of tilt angle of module mounting structure and any other activity that may be required for proper functioning of the SPV Power Plant as a whole. Conducting of O & M training for the technicians of customers.

Breakdown/Corrective Maintenance: Whenever a complaint is lodged by the user, the bidder shall attend to the same within a reasonable period of time of 48hours and in any case the breakdown shall be corrected within a period not exceeding 72hours from the date of complaint.

a) Adequately trained manpower, specifically trained by the bidder for carrying out the service activities

b) The suppliers should provide generation data on annual basis for the initial 2 years. The security money will be released based on performance of the plant in respect of generation

c) Adequate spares and manpower for ensuring least downtime of an individual system.

S & F other accessories are as follows.

Danger Board of Size 200 mm x 300 mm

S/I in position approved make dry chemical powder fire extinguisher of following capacity complete with chromium plated gun metal union (cap), fitted with braided hose and open nozzle with initial charge of dry chemical powder and gas cartridge complete with bracket and fixing screws. The extinguisher is internally and externally coated with lead tin alloy through hot dip process and cylinder bearing no. IS:15638/2006 and the gas cartridge bearing with ISI certification mark. Make:- Minimax/ Surex/ Deflame/ Fire Shield or approved by EIC. 5 KGS Capacity.

S/I in position approved make carbon dioxide 4.5 Kgs capacity fire extinguisher, made of high pressure with wheel type valve with one meter long braided high pressure discharge hose which should have a minimum of bursting pressure of 14.0 N/Sqmm and fitted with ABS discharge born and handles (non- conductor), complete with bracket and steel handle on the body fully charged with ISI certification mark ISI: 15638/2006. Make:- Minimax/ Surex/ Deflame/ Fire Sheild or approved by EIC.

GI bucket as per IS, capacity 9 Ltrs filled with sand. (Fire Shield/ Minimax Make).

Supplying and fixing 415V 32A TPN Main Switche in Sheet steel enclosure with fuse on angle iron frame on wall. (Make: Havells/ Standard)

Supply of 1100 Volt grade 4 core 10 sq.mm Aluminium Conductor, XLPE Insulated, Armoured Power Cable. (Make: Gloster/ Polycab/ Havells)

Laying of 4 core 10 sqmm cable on wall/surface incl. S & F MS saddles with making holes etc. as necy. mending good damages and painting. (without earthing attachment 10 SWG GI wire)

Laying of 4 core 10 sqmm cable through existing GI Pipe.

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below : 4 core 10 sq.mm

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials :4 core 10 sq.mm

Supplying & fixing 32 mm dia medium gauge GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required.

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level as below: By TATA-Medium GI pipe

Extra for treatment of soil by using salt & charcoal or coke for plate electrode.

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 25 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required.

Connecting the equipments to earth busbar including S & F GI (Hot Dip) wire of size as below on wall/floor with staples buried inside wall/floor as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and mending good damages: No. 4 SWG

Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 25 mm size PVC rigid conduit 'FR' (Precision make) incl. necy. fittings as required: 4 x 6 sq.mm + 2 x 4 sq.mm ECC.