Research ArticleOpen AccessGoogle Scholar indexed
Research on DC Fault of Multi-Terminal Direct Current System
North China Electric Power University, Beijing, China
North China Electric Power University, Beijing, China
Heilongjiang Electric Power Co. Ltd. of State Grid Cooperation of China, Harbin, China
Heilongjiang Electric Power Co. Ltd. of State Grid Cooperation of China, Harbin, China
Heilongjiang Electric Power Co. Ltd. of State Grid Cooperation of China, Harbin, China
- 1 North China Electric Power University, Beijing, China
- 2 North China Electric Power University, Beijing, China
- 3 Heilongjiang Electric Power Co. Ltd. of State Grid Cooperation of China, Harbin, China
- 4 Heilongjiang Electric Power Co. Ltd. of State Grid Cooperation of China, Harbin, China
- 5 Heilongjiang Electric Power Co. Ltd. of State Grid Cooperation of China, Harbin, China
Energy and Power Engineering·Volume 09 (2017)·Pages 756–764·Published 6 April 2017·DOI10.4236/epe.2017.94B081
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Abstract
This paper introduces the characteristics of VSC and MMC-MTDC and discusses the effects of different kinds of faults in HVDC systems. Special attention is given to the comparison between a pole-to-pole fault and a pole-to-ground fault occurring in the middle of the line or at the terminal of a VSC. Simulations using MATLAB are provided in this article which show the difference effects clearly when faults occur in a VSC-MTDC system or in a MMC-MTDC system. Understanding of such fault characteristics and the influence of the control system on them are important prerequisites on the way to MTDC systems.
KeywordsVSC-MTDCMMC-MTDCDC Fault
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