Powering Lai Chau 500kV transformer substation

 Lai Chau 500kV transformer substation and a turned branch.

This project invested by the National Electricity Transmission Corporation (EVNNPT), designed and constructed by Single Member Power Construction Company Ltd. 4 (PCC4), managed in construction by CPMB on behalf of EVNNPT, undertaken for supervision by EVN International Joint Stock Company (EVNI) and Power Engineering Consulting Joint Stock Company 1 (PECC1), tested by Electric Testing and Researching Joint Stock Company (ETRC), and received for operation by Power Transmission Company (PTC1).

The project with a total investment of VND 777 billion includes:

1/ An open transformer substation including: 2x450MVA transformers at 500/220/35kV and 2x250MVA transformers at 220/110/22kV, of which, in the first stage, only one transformer of 450MVA and one 250MVA were set up; 500kV, 220 and 110kV feeders; and other relevant equipment for the transformer substation.

2/ A double line with a length of 1,547 meters from Son La – Lai Chau 500kV double transmission line to Lai Chau 500kV transformer substation.

Powering these project has contributed to transmitting power from Lai Chau and Son La hydropower plants to the national power system, reducing general loss, and promoting reliability,    stability and safe operation of power system.

VietnamEnergy.vn