基于故障录波回放的智能变电站保护测试技术研究

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Abstract In recent years, the intelligent substation is further improved and optimized. The idea of intelligent and standard relay protection has emerged. With the continuous improvement and unification of technical specifications, the testing methods and communication forms of intelligent substation protection devices have changed a lot. A large amount of testing work needs to be carried out in the factory, and the conventional testing methods of relay protection cannot meet the large-scale testing requirements of the factory. The above problems bring new challenges to the testing of intelligent substation protection. In order to solve the problems above and meet the on-site maintenance-free requirements, this paper researches the existing protection detection technology and analyzes the advantages of the detection experiment using the playback of the fault recording file compared with the conventional dynamic/static mode detection experiment. A set of standard analyzing procedure suitable for different fault recording devices is designed. In addition, in order to meet the needs of different types of intelligent substation protection devices using fault recording file playback detection, three kinds of synchronous playback technologies are studied and the specific application scope of each synchronous playback technology is analyzed.

Key words： intelligent substation detection technology fault recording message analysis synchronous playback

Received: 08 July 2021

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	Articles by authors
	LI Han
	SONG Yu
	CHU Haoxiang

Cite this article:

LI Han,SONG Yu,CHU Haoxiang. Research on intelligent substation protection test technology based on fault recording and playback[J]. Electrical Engineering, 2021, 22(12): 78-83.

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http://dqjs.cesmedia.cn/EN/Y2021/V22/I12/78

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