Short Term E-Tender No. 01 / ETD / (B) / 2020 - 21

Amount

Arrangement of pre commissioning testing of following equipment of 220 newly constructed bay for 220 KV Tanakpur feeder including all cost, cost of men, Special T&P, consumables, Crane / Hydra etc. required for completion of work.

Testing of C.B.

1. Measurement of Circuit Breaker Operating Timings Including PIR Timings. 2. DCRM Contact Travel Measurement /DC Injected Current and Trip/Close Coil Currents. 3. Operational lockout Checking for EHV Circuit Breakers. 4. Measurement of Static Contact Resistance 5. Checking the Anti-Pumping Feature 6. Checking the Anti-Condesation Heaters 7. Pole Discrepancy Relay Testing

Testing of C.T.

1. Tan Delta & Capacitance measurement of CT 2. Polarity Test for CT 3. Magnetization Characteristics of CT 4. Ratio Test on CT 5. IR Measurement of CT (Primary & Secondary Winding) 6. DGA Test for CT Oil

Testing of CVT

1. Tan Delta & Capacitance measurement of CVT & each Slack CVT. 2. CVT each Polarity, Ratio Test 3. Insulation Resistance Measurement of Primary and Secondary Winding

Testing of Isolator

1. CRM Test 2. IR Test 3. Timing Test

Testing of Lightning Arrestor

1. Third Harmonic Resistive Current (THRC) for Surge arrestors 2. IR Measurement of each slack of LA 3. Tan Delta Test

LASHANI ENTERPRISES

SHRI BALAJI ENGG. WORKS