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Research on commutation failure in Tian-Guang HVDC transmission system
Author(s): 
Pages: 32-36
Year: Issue:  10
Journal: RELAY

Keyword:  直流输电逆变器换相失败;
Abstract: 换相失败是逆变器最常见的故障之一,分析了天广直流输电系统中直流电流、越前触发角、直流系统降压运行、直流系统满载率、换流变压器短路阻抗以及换流变压器变比等因素对广州换流站换相失败的影响,所得的结果跟仿真研究中的结果相近.得到的天广直流输电系统换相失败一般规律对其运行有一定的借鉴意义.
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