含新能源接入的配电网网络化保护原理研究

doi:10.19595/j.cnki.1000-6753.tces.L80626

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Abstract With the new energy sources are connected to the distribution system, the network structure of the traditional radiation distribution system with single source has been fundamentally changed. In addition, the complicated fault current characteristics and diversified power generation mode of the new energy sources brings many new problems and challenges to the traditional relaying protection and setting calculation on the distribution system. In this paper, the influence of the new energy sources for the current protection of the distribution network is analyzed. Based on this, the forward, reverse and isolated island reverse fault trip matrix are established based on regional information. The influence of “bus” fault, fault of line and DFIG crowbar protection are also considered. Then, the new principle of networked protection in the distribution system with new energy sources is proposed. Finally, simulation examples verify the theoretical analysis results.

Key words： Distribution system new energy source current protection regional information networked protection

Received: 05 July 2018 Published: 02 January 2020

PACS:

TM771

Corresponding Authors: 国家重点研发计划资助项目（2016YFB0900600）

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	Xiao Fan
	Xia Yongjun
	Zhang Kanjun
	Zhang Zhe
	Yin Xianggen

Cite this article:

Xiao Fan,Xia Yongjun,Zhang Kanjun等. Research on a Principle of Networked Protection in Distribution Network with Renewable Energy Sources[J]. Transactions of China Electrotechnical Society, 2019, 34(zk2): 709-719.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L80626 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/Izk2/709

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