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{{Infobox power transmission line
| name = Sasaram back-to-back HVDC converter station
| photo =
| caption =
| map =
| map_caption = Location of Sasaram back-to-back HVDC
| country = [[India]]
| state = [[Bihar]]
| province =
| coordinates = {{Coord|25|07|42|N|83|42|29|E|type:landmark|name=Sasaram Back to Back HVDC Station}}
| lat =
| long =
| direction =
| start = Eastern Region
| through =
| finish = Northern Region
| par =
| owner = [[Power Grid Corporation of India]]
| partners =
| operator =
| cable_manufacturer =
| cable_installer =
| cable_layer =
| substation_manufacturer=
| substation_installer= [[Alstom]]
| contractors =
| construction =
| expected =
| est = 2002
| decom =
| type = Back to Back
| current_type = [[HVDC]]
| length_km = 0
| capacity = 500 MW
| AC_voltage =
| DC_voltage = 205 kV
| poles_no = 1
| circuits_no =
}}
The '''Sasaram back-to-back HVDC station''' is a back-to-back [[HVDC]] connection between the eastern and northern regions in India, located close to the city of [[Sasaram]], in [[Bihar]] state in northeastern India. The station is owned by [[Power Grid Corporation of India]].

The converter station consists one pole with a nominal power transmission rating of 500 MW. The converter station was built by [[Alstom]] between 1999 and 2002 and has nominal DC voltage and current ratings of 205 kV, 2475 A.<ref>Nayak, R.N., Kumar, D., Kayibabu, B.N., Gulati, R., Baker, M.H., System benefits derived from the 500 MW back-to-back HVDC scheme at Sasaram, India, [[International Council on Large Electric Systems|CIGRÉ]] session, Paris, 2004, paper reference B4-208</ref> The design is very similar to that of the [[Chandrapur back-to-back HVDC converter station|Chandrapur]] and [[Vizag back-to-back HVDC converter station|Vizag 1]] converter stations also built for Power Grid.

In 2006, the Eastern and Northern regions were made part of the combined NEW grid.<ref>[http://www.powergridindia.com/_layouts/PowerGrid/User/ContentPage.aspx?PId=78&LangID=English One Nation – One Grid], Powergrid website (retrieved 18 November 2015). </ref> 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 ==

{| class="wikitable sortable"
! Site || Coordinates
|-
| Sasaram Back to Back|| {{Coord|25|07|42|N|83|42|29|E|type:landmark|name= Sasaram Back to Back HVDC Station}}
|}

==See also==
* [[PGCIL]]
== References ==
{{Reflist}}

== External links ==
{{GeoGroupTemplate}}
* [http://www.powergridindia.com/PGCIL_NEW/Home.aspx) Power Grid Corporation of India]{{dead link|date=May 2018 |bot=InternetArchiveBot |fix-attempted=yes }}
* [http://www.alstom.com/grid/ Alstom Grid Website]

[[Category:Electric power transmission infrastructure in India]]
[[Category:Converter stations]]
[[Category:Energy in Bihar]]

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Sasaram back-to-back HVDC converter station - Revision history

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