RFP (REQUEST FOR PROPOSAL) for "Supply and Installation of Machines and Equipment?s for Electrical Engineering Laboratory and Electronics Engineering Laboratory"

Braj Kishor Narayan Singh Government Polytechnic, Gopalganj

Scope of Work RFP (REQUEST FOR PROPOSAL) for "Supply and Installation of Machines and Equipment’s for Electrical Engineering Laboratory and Electronics Engineering Laboratory"

NIT Reference No. NIT No- BKNSGPG- 01/2026-2027

Name of the bidder

Contact details

Full Address & Email Id

ELECTRICAL ENGINEERING

Switchgear and Protection Lab

Sr. No Equipment name Specifications Quantity Unit Price Total Amount (A) GST /Tax amount (B) Gross Amount (C=A+B)

1 3-Phase Fault Analyzer Kit along with Meter & Motor Generator Set 3-phase fault analyzer for short, medium & long transmission line for L-G, L-L, LL-G fault 2

2 Earth Fault Simulator Earth fault relay, 5 A, 230 V AC Aux; 5 A, 240 V AC (resistive); DC 24 V, 5 A (resistive) 1

3 Air Circuit Breaker Trainer Kit AC power supply 0–230 V, 2 A, operated on mains power 230 V, 50 Hz ±10%. Digital meter: Timer, Voltmeter (0–230 V AC), Ammeter (0–16 A). Components mounted on panel — circuit breaker 5 A, controls with switches, tripping with indicators. Lamp load with 6 bulbs. 2

4 SF6 Circuit Breaker Trainer Kit AC power supply 0–230 V, 2 A, operated on mains power 230 V, 50 Hz ±10% Voltmeter (0–230 V AC), Ammeter (0–16 A), circuit breaker 5 A for protection of kit, lamp load with 6 bulbs 2

5 Vacuum Circuit Breaker Trainer Kit AC power supply 0–230 V, 2 A, operated on mains power 230 V, 50 Hz ±10%; Voltmeter (0–230 V AC), Ammeter (0–16 A); circuit breaker 5 A for the protection of the kit; lamp load with 6 bulbs 2

6 Overcurrent Relay Test Set Up Voltage: Self-powered; Current: 50 amp; Voltage type: AC; Contact form: SPDT; Application: Education & Distribution; Coil type: Latching; CT secondary: 10? / 5 amp; Auxiliary Voltage: 220/110/48/24 Volts AC/DC; Built-in digital ammeter; Educational bench model with schematic diagram of the test circuit printed on the model; test points & measurement points brought out; circuit setup for testing through interconnection patch cords 2

7 Transformer Protection Trainer Kit • One No. control panel for study of transformer differential protection. • Circuit diagram painted on Bakelite panel • Three No. of AC ammeters, 0–5 A AC, biased current & differential current • One No. of three-phase transformer, 3 kVA • One No. of transformer percentage-based differential relay fitted in metal box • One No. of three-phase resistive load bank 1

8 Transmission Line Protection Trainer Kit • AC power supply: 0–415 V at 4 A (optional) • Digital analog meters & relays: Voltmeter – 2 Nos.; Ammeter – 2 Nos.; Wattmeter – 2 Nos.; Power factor meter • All equipment should be of adequate rating • Voltage monitoring relay, overload relay • 4 A Variac (3-phase) • Transmission line 400 km (through resistor-capacitor & inductors), three different types of fault simulations • 3-phase lamp load switch control (star connected), single-phase lamp load switch control • Three-phase capacitive load switch control (0.5 A, 1.0 A, 1.5 A) • Three-phase inductive load switch control (0.5 A, 1.0 A, 1.5 A) 1

9 Alternator Protection Trainer Kit 1-phase, 220 V AC, educational training kit, frequency: 50 Hz 1

a) Motor–Generator (Alternator) Set, DC shunt motor, 3 HP, 220V, 1500 RPM, type SPDP, self fan cooled, continuous rated, coupled to Alternator 2 kVA, 3 phase, 4 wire, 400/440V, 1500 RPM, type SPDP, self fan cooled, separately excited.

b) Various Protective Relays- • Definite time overcurrent relay • Under/over frequency protection relay • Negative phase sequence relay • Reverse phase relay • Earth fault relay

c) Testing Panel 1 Ph, 230V AC, 50 Hz, 2-pole MCB for input side, DC motor drive for DC shunt motor, auxiliary supply for relays, fault simulation facility, ON/OFF switches/ MCB.

Indicating lamps, digital ammeter, voltmeter, AC & DC side etc.

TOTAL AMOUNT IN RS.

TOTAL AMOUNT IN WORDS

ELECTRONICS ENGINEERING

MEASURING INSTRUMENTS AND SENSORS LAB

Sr. No Equipment name Specifications Quantity Unit Price Total Amount (A) GST /Tax amount (B) Gross Amount (C=A+B)

1 Galvanometer + resistance + breadboard ±35 µA; 1 µA division; internal resistance about 1000 Ω 2 Set

2 DC slide-wire potentiometer 1st dial 1.7 V; slide wire 0.1 V or equivalent 4 Nos.

3 Kelvin double bridge trainer Low-resistance measurement; complete trainer 4 Nos.

4 Wheatstone bridge trainer Medium resistance measurement 4 Nos.

5 Maxwell bridge trainer Inductance measurement 4 Nos.

6 Hay bridge trainer Inductance measurement 4 Nos.

7 Anderson bridge trainer Capacitance/bridge measurement as per syllabus 4 Nos.

8 De-Sauty bridge trainer Capacitance measurement 4 Nos.

9 Wien bridge trainer Frequency/capacitance measurement 4 Nos.

10 RVDT / angular displacement trainer Angular position/displacement measurement 4 Nos.

11 Strain gauge trainer Range around 5000 µstrain; bridge and indicator 4 Nos.

12 Proximity sensor trainer Inductive, capacitive, optical and ultrasonic sensors 4 Nos.

13 Breadboard, leads & accessories Banana leads, patch cords, components, safety accessories 4 Set

TOTAL AMOUNT IN RS.

TOTAL AMOUNT IN WORDS

ELECTRONICS ENGINEERING

AUTOMATED CONTROL SYSTEM AND PLC LAB

Sr. No Equipment name Specifications Quantity Unit Price Total Amount (A) GST /Tax amount (B) Gross Amount (C=A+B)

1 DC regulated power supply 0–30 V, 2 A, ripple-free 1Nos.

2 Synchro transmitter-receiver trainer Standard laboratory trainer; angular position measurement 4 No.

3 AC & DC servo motor trainer Speed–torque characteristics; suitable control panel 4 Set

4 ON-OFF temperature control kit Thermocouple/RTD Pt100, relay, comparator, 230 V heater 4No.

5 PI controller trainer Temperature sensor, PI control, actuator/heater and indication 4No.

6 PD controller trainer Temperature sensor, PD control, actuator/heater and indication 4 No.

7 PID controller trainer Temperature sensor, PID control, actuator/heater and indication 4 No.

8 PLC programming/communication accessories USB/Ethernet programming cable; terminals, relays, pushbuttons, selector switches, lamps, buzzer, sensor interfaces 2 Set

9 Proximity sensor set Inductive/capacitive/optical sensor suitable for PLC input 4 Set

TOTAL AMOUNT IN RS.

TOTAL AMOUNT IN WORDS

OVERALL AMOUNT IN (RS.)

Switchgear and Protection Lab

MEASURING INSTRUMENTS AND SENSORS LAB

AUTOMATED CONTROL SYSTEM AND PLC LAB

GRAND TOTAL AMOUNT

ELECTRICAL ENGINEERING

Switchgear and Protection Lab Compliance YES / NO Remarks

Sr. No Equipment name Specifications

1 3-Phase Fault Analyzer Kit along with Meter & Motor Generator Set 3-phase fault analyzer for short, medium & long transmission line for L-G, L-L, LL-G fault

2 Earth Fault Simulator Earth fault relay, 5 A, 230 V AC Aux; 5 A, 240 V AC (resistive); DC 24 V, 5 A (resistive)

3 Air Circuit Breaker Trainer Kit AC power supply 0–230 V, 2 A, operated on mains power 230 V, 50 Hz ±10%. Digital meter: Timer, Voltmeter (0–230 V AC), Ammeter (0–16 A). Components mounted on panel — circuit breaker 5 A, controls with switches, tripping with indicators. Lamp load with 6 bulbs.

4 SF6 Circuit Breaker Trainer Kit AC power supply 0–230 V, 2 A, operated on mains power 230 V, 50 Hz ±10% Voltmeter (0–230 V AC), Ammeter (0–16 A), circuit breaker 5 A for protection of kit, lamp load with 6 bulbs

5 Vacuum Circuit Breaker Trainer Kit AC power supply 0–230 V, 2 A, operated on mains power 230 V, 50 Hz ±10%; Voltmeter (0–230 V AC), Ammeter (0–16 A); circuit breaker 5 A for the protection of the kit; lamp load with 6 bulbs

6 Overcurrent Relay Test Set Up Voltage: Self-powered; Current: 50 amp; Voltage type: AC; Contact form: SPDT; Application: Education & Distribution; Coil type: Latching; CT secondary: 10? / 5 amp; Auxiliary Voltage: 220/110/48/24 Volts AC/DC; Built-in digital ammeter; Educational bench model with schematic diagram of the test circuit printed on the model; test points & measurement points brought out; circuit setup for testing through interconnection patch cords

7 Transformer Protection Trainer Kit • One No. control panel for study of transformer differential protection. • Circuit diagram painted on Bakelite panel • Three No. of AC ammeters, 0–5 A AC, biased current & differential current • One No. of three-phase transformer, 3 kVA • One No. of transformer percentage-based differential relay fitted in metal box • One No. of three-phase resistive load bank

8 Transmission Line Protection Trainer Kit • AC power supply: 0–415 V at 4 A (optional) • Digital analog meters & relays: Voltmeter – 2 Nos.; Ammeter – 2 Nos.; Wattmeter – 2 Nos.; Power factor meter • All equipment should be of adequate rating • Voltage monitoring relay, overload relay • 4 A Variac (3-phase) • Transmission line 400 km (through resistor-capacitor & inductors), three different types of fault simulations • 3-phase lamp load switch control (star connected), single-phase lamp load switch control • Three-phase capacitive load switch control (0.5 A, 1.0 A, 1.5 A) • Three-phase inductive load switch control (0.5 A, 1.0 A, 1.5 A)

9 Alternator Protection Trainer Kit 1-phase, 220 V AC, educational training kit, frequency: 50 Hz

a) Motor–Generator (Alternator) Set, DC shunt motor, 3 HP, 220V, 1500 RPM, type SPDP, self fan cooled, continuous rated, coupled to Alternator 2 kVA, 3 phase, 4 wire, 400/440V, 1500 RPM, type SPDP, self fan cooled, separately excited.

b) Various Protective Relays- • Definite time overcurrent relay • Under/over frequency protection relay • Negative phase sequence relay • Reverse phase relay • Earth fault relay

c) Testing Panel 1 Ph, 230V AC, 50 Hz, 2-pole MCB for input side, DC motor drive for DC shunt motor, auxiliary supply for relays, fault simulation facility, ON/OFF switches/ MCB.

Indicating lamps, digital ammeter, voltmeter, AC & DC side etc.

ELECTRONICS ENGINEERING

MEASURING INSTRUMENTS AND SENSORS LAB

Sr. No Equipment name Specifications Compliance YES / NO Remarks

1 Galvanometer + resistance + breadboard ±35 µA; 1 µA division; internal resistance about 1000 Ω

2 DC slide-wire potentiometer 1st dial 1.7 V; slide wire 0.1 V or equivalent

3 Kelvin double bridge trainer Low-resistance measurement; complete trainer

4 Wheatstone bridge trainer Medium resistance measurement

5 Maxwell bridge trainer Inductance measurement

6 Hay bridge trainer Inductance measurement

7 Anderson bridge trainer Capacitance/bridge measurement as per syllabus

8 De-Sauty bridge trainer Capacitance measurement

9 Wien bridge trainer Frequency/capacitance measurement

10 Digital Storage Oscilloscope (DSO) Minimum 100 MHz preferred; 2-channel; ≥1 GS/s preferred

11 CRO Minimum 75 MHz, dual channel or equivalent

12 RVDT / angular displacement trainer Angular position/displacement measurement

13 Strain gauge trainer Range around 5000 µstrain; bridge and indicator

14 Proximity sensor trainer Inductive, capacitive, optical and ultrasonic sensors

15 Breadboard, leads & accessories Banana leads, patch cords, components, safety accessories

ELECTRONICS ENGINEERING

AUTOMATED CONTROL SYSTEM AND PLC LAB

Sr. No Equipment name Specifications Compliance YES / NO Remarks

1 DC regulated power supply 0–30 V, 2 A, ripple-free

2 Synchro transmitter-receiver trainer Standard laboratory trainer; angular position measurement

3 AC & DC servo motor trainer Speed–torque characteristics; suitable control panel

4 ON-OFF temperature control kit Thermocouple/RTD Pt100, relay, comparator, 230 V heater

5 PI controller trainer Temperature sensor, PI control, actuator/heater and indication

6 PD controller trainer Temperature sensor, PD control, actuator/heater and indication

7 PID controller trainer Temperature sensor, PID control, actuator/heater and indication

8 PLC programming/communication accessories USB/Ethernet programming cable; terminals, relays, pushbuttons, selector switches, lamps, buzzer, sensor interfaces

9 Proximity sensor set Inductive/capacitive/optical sensor suitable for PLC input