The Sasaram back-to-back HVDC station is a back-to-back
HVDC
A high-voltage direct current (HVDC) electric power transmission system (also called a power superhighway or an electrical superhighway) uses direct current (DC) for electric power transmission, in contrast with the more common alternating curren ...
connection between the eastern and northern regions in India, located close to the city of
Sasaram
Sasaram ()sometimes also spelled as Sahasram, is an ancient historical city and a municipal corporation region in the Rohtas district of the Bihar state in eastern India, with a history that goes to thousands of years. During the prehistoric ag ...
, in
Bihar
Bihar (; ) is a state in eastern India. It is the 2nd largest state by population in 2019, 12th largest by area of , and 14th largest by GDP in 2021. Bihar borders Uttar Pradesh to its west, Nepal to the north, the northern part of West Be ...
state in northeastern India. The station is owned by
Power Grid Corporation of India
Power Grid Corporation of India Limited is an Indian central public sector undertaking under the ownership of Ministry of Power, Government of India. It is engaged mainly in transmission of bulk power across different states of India. It is ...
.
The converter station consists one pole with a nominal power transmission rating of 500 MW. The converter station was built by
Alstom
Alstom SA is a French multinational rolling stock manufacturer operating worldwide in rail transport markets, active in the fields of passenger transportation, signalling, and locomotives, with products including the AGV, TGV, Eurostar, Avelia ...
between 1999 and 2002 and has nominal DC voltage and current ratings of 205 kV, 2475 A. The design is very similar to that of the
Chandrapur and
Vizag 1 converter stations also built for Power Grid.
In 2006, the Eastern and Northern regions were made part of the combined NEW grid.
One Nation – One Grid
Powergrid website (retrieved 18 November 2015). As a result, the converter station is no longer required for its original purpose of asynchronously linking the Eastern and Northern grids, although it can still be used as an embedded power flow device to help control power flow within the AC system. The converter station could potentially be shifted to elsewhere to export/import power from other countries.
Sites
See also
* PGCIL
References
External links
Power Grid Corporation of India
Alstom Grid Website
Electric power transmission infrastructure in India
Converter stations
Energy in Bihar
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