HVDC换流器故障分析与仿真研究  

Fault analysis and simulation study of HVDC converter

作　　者：黄俊伸[1] 张晓红 吕英飞[1] 郑全明[1] 

机构地区：[1]三峡大学电气与新能源学院,湖北宜昌443002 [2]宜昌电力勘测设计院,湖北宜昌443002

出　　处：《黑龙江电力》2013年第5期412-416,共5页Heilongjiang Electric Power

摘　　要：介绍了HVDC换流器的几种短路故障工作原理,对HVDC换流器阀的短路故障以及换流器直流侧短路故障、交流侧单相接地故障、交流侧相间故障进行了详细地分析。在Matlab/Simulink下对HVDC换流器的故障进行了仿真,并选取了故障特征量进行了采样,通过编程仿真,得出几种故障的特征量曲线波形图,清晰地说明了高压直流输电中阀故障对输电系统可靠性造成的极大危害。This paper introduces the working principle of short circuit faults in HVDC converter, and analyzes short circuit in converter valve, short circuit at DC side, single -phase grounding at AC side and phase -to -phase fault at AC side. Under Matlab/Simulink, the paper simulates the fault of HVDC converter, selects samples of fault fea- tures and works out the curve oscillogram of fault features by programing and simulation which clearly states the harm to reliability of transmission system brought by valve fault in high voltage DC transmission.

关 键 词：换流器 短路故障 高压直流(HVDC) 输电系统 

分 类 号：TM46[电气工程—电器]