
Transformer AT1
(500/220/35kV - 900MVA) at 500 kV Son La substation
This project is
an urgent grid project invested by the National Power Transmission (EVNNPT),
CPMB is responsible for project management.
The scale of
the project is to replace 02 auxiliary transformers 500/220/35kV-450MVA by 2
auxiliary transformers 500/220/35kV-900MVA, the project is built at 500kV Son
La substations in Pi Toong commune, Muong La district, Son La province.
Energizing the
AT1 transformer of 500 kV Sơn La substation will upgrade the capacity of the
Northwest Hydropower Plant into National Power System, meet the demand of load
growth in the North and the whole country; upgrade the quality of electric
area, improved reliability and flexibility in operation as well as power supply;
reduce general loss of the system, contribute to ensuring energy security for
the needs of economic development and sustainable society.