BHEL Experience in The EHV Cables for Power Transmission

BHEL has executed the following EPC contracts for EHV cable in various locations of India to fulfil the requirement of various needs of utilities

Diversion of the 2 Nos. 400 kV double circuit transmission lines through 400 kV XLPE Cable of single core (two runs) at Bamnauli/Delhi to create space for 750 MW Pragati-III CCPP (Combined Cycle Power Plant). BHEL has installed around 20 km, 400 kV EHV cable through outdoor cable trench.

The power evacuation from 400 kV GIS at Pārbati-III HEP to 2 nos. overhead Transmission line has been done through 400 kV XLPE cable of 3.5 km. The EHV cable has been installed in underground tunnel having gradient of up to 32 degree.

Due to space constraints in Power Plant area, 1200 sq mm, 400 kV EHV cables (1.5 km) and 220 kV (1 km) cables has used through outdoor cable trenches to evacuate power from power house through outgoing lines in GSECL (Gujarat State Electricity Corporation Limited), Ukai substation.