Common use of Switching Scheme Clause in Contracts

Switching Scheme. The switching schemes, as mentioned below, shall be adopted at various voltage levels ofsubstation/switchyard: 400/220 kV Fatehgarh-4 P.S One & half breaker (AIS) Double Main & Transfer (AIS) Extn. of 400kV Fatehgarh-3 S/S One & half breaker (AIS) ----- i) At 400kV voltage level, each circuit of a double circuit transmission line shall be terminated in different diameters. ii) Two transformers of same HV rating shall not be connected in the same diameter and similarly bus reactors of same HV rating shall also not be connected in the same diameter). iii) TSP shall also keep space provision for future 220kV Bus Coupler bay and 220kV Transfer Bus Coupler bay.

Switching Scheme. The switching schemes, as mentioned below, shall be adopted at various voltage levels ofsubstation/switchyard: 400/220 kV Fatehgarh-4 P.S One & half breaker (AIS) Double Main & Transfer (AIS) Extn. of 400kV Fatehgarh-3 765/400kV Raipur Pool (PG) S/S One & half breaker (AIS) -----Double main (GIS) i) At 400kV voltage level, each circuit of a double circuit transmission line shall be terminated in different diameters. ii) Two transformers of same HV rating shall not be connected in the same diameter and similarly two bus reactors of same HV rating shall also not be connected in the same diameter). iii) TSP shall also keep space provision for future provide 220kV Bus Coupler bay and 220kV Transfer Bus Coupler bay.