宾金、灵绍特高压直流保护三取二功能配置的应用研究

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Abstract Based on the Binjin and Lingshao ultra high voltage direct current projects, research on two-out-of-three function configuration of HCM3000 and PCS9550 DC protections. Both of them are equipped with two-out-of-three devices and two-out-of-three logic in control host, two kinds of two-out-of-three function logic and protection action strategy are introduced in detail, PCS9550 DC protection system has strong security and reliability. When the two-out-of-three devices of HCM3000 fault, there is a problem that some protection functions of converter protection and pole protection can not be exported, the hidden dangers of equipment failure and DC blocking are deeply analyzed, and it can provide reference for practical application on site.

Key words： ultra high voltage direct current (UHVDC) DC protection two-out-of-three logic DC block protection trip

Received: 11 February 2019 Published: 29 September 2019

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	Articles by authors
	Miao Yu
	Jia Xuantao
	Wang Yongsheng
	Jia Hongguang
	Wei Linlin

Cite this article:

Miao Yu,Jia Xuantao,Wang Yongsheng等. Research on configuration strategy for two-out-of-three logic of DC protection in Binjin and Lingshao ultra high voltage direct current projects[J]. Electrical Engineering, 2019, 20(10): 92-98.

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http://dqjs.cesmedia.cn/EN/Y2019/V20/I10/92

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