Vindhyachal

HVDC > HVDC References > Asia > Vindhyacal

The first HVDC project in India.

The Indian power system is demarcated into five independent regional grids namely. Northern, Eastern, Western, Southern, and North-eastern Regions. The 500 MW Vindhyachal back-to-back HVDC station interconnects the Northern and Western Regions.
The HVDC station was built by National Thermal Power Corporation (NTPC ) but after the reorganisation of the Indian power sector the transmission now belongs to the Power Grid Corporation of India Ltd..

Vindhyachal valve hall and transformers
Vindhyachal exterior with the world's first HVDC transformers with extended delta windings.

The remote Vindhyachal region hosts three super-thermal projects of NTPC within a radius of 40 km: Singrauli, Rihand (supplying power
Vindhyachal valve hall<br>
Inside one of the valve halls
to the Nortern grid) and Vindhyachal. Vindhyachal is the largest project of NTPC with a total capacity of 2,260 MW supplying power to the Western grid.

Main data
Commissioning year: 1989
Power rating: 500 MW
No. of poles:2
AC voltage:400 kV (both sides)
DC voltage:176 kV
Type of linkBack-to-back station
Main reason for choosing HVDC:Asynchronous networks

Last edited 2009-09-25
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