含逆变型分布式电源的配电网分区域电流保护

doi:10.19595/j.cnki.1000-6753.tces.L90278

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Abstract In view of the problem that the large-scale inverter interfaced distributed generator has an impact on the reliability of traditional current protection when it is connected to the distribution network, it proposes a partitioned current protection scheme in this paper. It analyzed the fault characteristics of the distribution network with inverter interfaced distributed generator, and divided the distribution network lines into the upstream line area, the downstream line area, and the grid-connected line area of the inverter interfaced distributed generator. Aiming at the protection of the upstream line area, an adaptive direction current protection scheme is proposed. And the downstream line area adopts an adaptive current protection scheme based on the protection of local information. Then the grid-connected line area considers the use of current differential protection scheme. With the simulation of the example system, the effectiveness of the partitioned current protection scheme of distribution network with inverter interfaced distributed generator is verified.

Key words： Inverter interfaced distributed generator fault characteristics adaptive current protection directional component current differential protection

Received: 07 July 2020

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TM773

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	Articles by authors
	Qiao Yida
	Wu Hongbin
	Wu Tonghua
	Li Xindong

Cite this article:

Qiao Yida,Wu Hongbin,Wu Tonghua等. A Partitioned Current Protection Scheme of Distribution Network with Inverter Interfaced Distributed Generator[J]. Transactions of China Electrotechnical Society, 2022, 37(zk1): 134-144.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L90278 OR https://dgjsxb.ces-transaction.com/EN/Y2022/V37/Izk1/134

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