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Journal of Electrical and Computer Engineering
Volume 2013, Article ID 257387, 7 pages
Research Article

Application of Multipoint DC Voltage Control in VSC-MTDC System

Department of Electrical Engineering, Shanghai Jiaotong University, SEIEE 1-220, 800 Dongchuan RD, Minhang District, Shanghai 200240, China

Received 4 March 2013; Revised 13 May 2013; Accepted 29 May 2013

Academic Editor: Yong Fu

Copyright © 2013 Yang Xi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Supplementary Material

ABSTRACTABSTRACT: To improve the reliability of the voltage source converter (VSC) based multi-terminal VSC-HVDC power transmission system(VSC-MTDC), a multi-terminal DC voltage control strategy suitable to wind farm connected with grid via VSC-MTDC is proposed. In such system, when load mutation occurred or any converter committed fault and exited, converter station with power regulation can not only keep the internal power balance, but avoid the situation that a single converter causes overload. By use of PSCAD/EMTDC, the proposed control strategy is simulated, and the result shows that the design of control strategy is correct and feasible.

KEYWORDS: voltage source converter ; multi-terminal HVDC ; wind-farm;multipoint DC voltage control.

  1. Supplementary Material