基于改进Kruskal算法的含分布式发电的配网孤岛划分算法

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Abstract To improve the system reliability with distributed generations(DGs)under fault conditions, Islanding operation has become an important operation mode. In this paper, a distributed islanding method based on Kruskal algorithm is proposed. By converting the system's structure diagram into connected graph, islanding problem would be changed into minimum spanning tree problem. Set search rules according to islanding principles and constrains, and the islanding scheme can be obtained by searching the connected graph. By checking constrains after each search step, the safe and steady operation of the system can be achieved. Case analysis on typical system shows that the proposed algorithm is effective.

Key words： Distributed generation(DG) intentional islanding minimum spanning tree improved Kruskal algorithm

Received: 20 September 2012 Published: 25 March 2014

PACS:	TM771
	TM773

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	Articles by authors
	Liu Zongqi
	Bao Qiaomin
	Sun Chunshan
	Wu Xu

Cite this article:

Liu Zongqi,Bao Qiaomin,Sun Chunshan等. Islanding Algorithm of Distribution System with Distributed Generations Based on Improved Kruskal Alogorithm[J]. Transactions of China Electrotechnical Society, 2013, 28(9): 164-171.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2013/V28/I9/164

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