Research and application on multi-terminal and DC grids based on VSC-HVDC technology in China

Ting An; Guangfu Tang; Weinan Wang

Research and application on multi-terminal and DC grids based on VSC-HVDC technology in China

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Author(s): Ting An ¹ ; Guangfu Tang ¹ ; Weinan Wang ^{1, 2}
- Affiliations: 1: Global Energy Interconnection Research Institute, Changping District, Beijing, People's Republic of China ;
  2: North China Electric Power University, Changping District, Beijing, People's Republic of China
Source: Volume 2, Issue 1, March 2017, p. 1 – 10
DOI: 10.1049/hve.2017.0010 , Online ISSN 2397-7264

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This is an open access article published by the IET and CEPRI under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/)

Received 16/01/2017, Accepted 13/02/2017, Revised 13/02/2017, Published 01/03/2017

Voltage source converter (VSC)-based high-voltage direct current (HVDC) and multi-terminal (MT)/DC grid technologies are the new HVDC transmission technologies after ultra-high voltage alternative current (UHVAC) and UHVDC transmission technologies which have been widely used in China. The application of the new technologies has resulted in a rapid increase in the number of schemes in construction and planning worldwide. This has been stimulated by the greater level of functionality available from the VSC technology, which makes it suitable for a wide variety of applications. These include the integration of off-shore wind farms, embedded links within AC networks and interconnectors, especially where the AC networks are relatively ‘weak’. VSC technology has renewed interest in MT DC systems, which may ultimately lead to wide area DC grids. This study outlines the research and application on MT and DC grids in China with respect to VSC-HVDC key technologies and DC grid key technologies based on the presentation given in the International Workshop on Next Generation Power Equipment held on 23 September 2016 in Xian, China. The briefing details of the VSC-HVDC projects constructed and to be constructed in China are summarised in this study.

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Research and application on multi-terminal and DC grids based on VSC-HVDC technology in China

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