Madhyanchal Vidyut Vitran Nigam Limited Tender

Testing of 33 KV Power T/F & 33 KV Transfomer breaker & panel at 33/11 KV S/S's under jurisdiction of ETD-Sultanpur including following tests :- a) Insulation test. b) Open circuit/Ratio & Short circuit test. c) Magnetization current test. d) Magnetic Balance test. e) Other test including BDV, neutral and body resistance of T/F and earth resistance and vector group test. Including testing of Transformer Marshalling Box Pannel, WTI, oil temperature Indicator, oil level indicator & buchholz relay, by operation of individual alarm/trip circuits of above. Testing of annunciation, indication circuits displaying on panel. The work includes cleaning adjustment of relay contacts & springs by manual and protection trip commands generated by relays through primary injection set. Remote/local operation also to be checked. All T&P's as required for above work should be provided by the contractor. The test should be carried out by bringing testing kit and all required instruments on site by the contractor, making all necessary connection for above tests and Insuring healthiness of transformers. Complete testing shall be done once half yearly or as and when required in emergency.

Testing for 11 KV Incoming/outgoing breaker/pannels including testing of CT ratio by primary injection set. Testing of relays and its setting as per requirement. The work includes cleaning of relay. Checking and operation of VCB/OCB by remote/local and manual/protection command generated through primary injection set with operation of relays. For Tightening of all contacts testing of Relay & control wiring, equipment (About training of employee officers etc.) All T&P's as required for above work should be provided by the contractor as well as in emergency. Including replacement of defective/ Burnt wiring (20 meter), repairing of changed over NO/NC contact relay etc.

Arrangement or 3 phase D.G. set for insuring A.C. Supply for testing work.