National Disaster Response Force Tender

Servicing and checking of 800 Amp, 11 KV Schneider make VCB with blower, cleaning of existing HT panel inside, outside with tighting of all bus bar, nut & bolt, alignment, adjustment of gaps between phase to phase, Checking and tightening of control wiring circuit as charging motor closing coil and tripping coil circuit, Manually tripping testing of VCB, Cleaning, removal of dust and dirt to male/Female contacts, greasing & lubrication all moving fixed part including replacement of minor parts such as spring, washers etc. for smooth mechanical operation etc, complete with testing commissioning as required. Servicing, Calibration, testing of 2 element IDMT relay (one earth fault one over current) with secondary injection testing of 11 KV /VCB, Operational testing through relay front pad as well as push button, Testing/ Calibration of safety relays through secondary injection kit, Tripping testing of VCB through over current and earth fault relay, Tripping testing through primary injection. Complete as required. Opening of HT panel, Removal of moisture in bus bar, insulator HT cable box and heating of P.T., C.T Chamber, Relay setting. Of 11 KV VCB Panel complete with High Pressure testing. Meggering etc. As complete as required.

Testing & Servicing of 1600 KVA 1100/433 KV oil type transformers with oil filtration & topping up the same with required oil and testing of the required parameter as per recommendation of OEM (i.c Check that air passages are free, Check colour of active agent, Check the bearings. Examine contacts, check manual control and interlock Check for dielectric strength and water content, Check acidity resistivity, sludge Check sealing arrangements and find out whether there is any leak, Examine relay and alarm contacts, their operation fuses, check relay accuracy, Overall inspection including core and coil etc.) Insulation Resistance test, PI test, Voltage ratio test, Magnetic balance test, Vector group test, Magnetizing current test on no load, Transformer protection test like Bucz, OTI, WTI, PRV, MOG, OSR, BDV test of Transformer oil As complete as required.

Servicing of 2500 Amp ACB of Schneider make complete with blower Cleaning of breaker with CRC-226 and Petrol, Check Lockable Trip Push Button Lock if Required, Removal of old Grease and re-greasing the same with recommended grease, Check condition of arcing contact and gap between fixed and moving arcing Contacts shall be checked, Checking the reset mechanism, tripping of breaker through push button, Checking tripping of ACB manually through protection release, Tripping of ACB anually, Checking presence of all circlips. Checking and adjusting gap between Min shaft Stopper, Checking proper closing of all poles together, Checking working of anti-pumping device in case of EDO ACB, Checking condition of arc chutes condition, Checking U/V release picks up and drops off, Checking ACB tripping through shunt release, Checking motor operation in case of EDO ACB, Checking closing coil operation in case of EDO ACB, Checking continuity and proper changeover of aux. contact block, Setting of release as per the load, Checking of LSIG release setting & tripping condition, etc As complete as required.