高压直流输电保护定值整定流程的研究

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Abstract HVDC protection value setting is difficult to be analytically calculated, because of its strong nonlinearity. So far, the combination of empirical value and simulational verification is the most available method used in actual project. However, the method may induce large workload, low setting efficiency, and possibility of neglecting some faults. And accidents caused by irrationally protection value setting have repeatedly taken place in actual projects. In view of the current situation, the characters of present protections are systematically summarized from the perspective of value setting. According to protection principles, all present protections are classified into line protection, differential protection, overload protection, switch protection and other protection. Aiming at the character of line protection and differential protection that detects certain fault, the setting process based on fault feature is proposed. The setting processes for other three categories are generalized. The system of HVDC protection value setting, which has the function of automatic value setting, value inquiry and value comparison, is developed to improve the automatic degree of HVDC protection value setting.

Key words： HVDC protection value setting process PSCAD/EMTDC

Received: 10 September 2014 Published: 14 September 2015

PACS:

TM315

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	Articles by authors
	Gao Benfeng
	Zhang Xuewei
	Liu Xinye
	Dong Peiyi
	Zhang Yunxiao
	Ma Yulong
	Zhao Shuqiang

Cite this article:

Gao Benfeng,Zhang Xuewei,Liu Xinye等. Research of HVDC Protection Value Setting Process[J]. Transactions of China Electrotechnical Society, 2015, 30(12): 400-407.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2015/V30/I12/400

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