基于分解组分分析的SF<sub>6</sub>设备绝缘故障诊断方法与技术的研究现状

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Abstract With the gas insulated switchgear (GIS) equipment increasingly and widely used in each voltage levels, insulation fault of the GIS equipment will seriously endanger the safe operation of power system. The condition monitoring and fault diagnosis of GIS is an effective method to reduce failure rate and operational cost. This paper reviews the research status of SF₆ insulation equipment fault diagnosis method and technology based on decomposed components analysis which is a research hotspot in the world, to promote the theory and technical progress of the field. On the basis of the analysis of gas-insulated equipment fault statistics at home and abroad, common insulation failure and its causes were introduced firstly. Then, from the point of SF₆ decomposition process and mechanism, the fault diagnosis mechanism based on SF₆ decomposed components was analyzed and SF₆ fault decomposition characteristic products were emphatically commented. What’s more, research progress of fault diagnosis that regards decompose component ratio as characteristic quantity was summarized. Finally, combining with current research status and unsolved difficult problems, this paper points out the research points and development tendency of SF₆ insulated equipment fault diagnosis method and technology based on decomposition component analysis.

Key words： Decomposed components analysis SF6 fault diagnosis decomposition mechanism concentration ratio decomposition products

Received: 14 June 2016 Published: 01 November 2016

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	Tang Ju
	Yang Dong
	Zeng Fuping
	Zhang Xiaoxing

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Tang Ju,Yang Dong,Zeng Fuping等. Research Status of SF₆ Insulation Equipment Fault Diagnosis Method and Technology Based on Decomposed Components Analysis[J]. Transactions of China Electrotechnical Society, 2016, 31(20): 41-54.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I20/41

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