基于可达性分析的主动配电网多故障分区修复策略

doi:10.19595/j.cnki.1000-6753.tces.171273

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Abstract With the increasing penetration of distributed energy, there will be many new different types of components in the power system. Multi-fault once occurs, the searching method of considering all switches in the network will take much more time to recover network, which fails to meet the rapidity requirement for multi-fault recovery. Therefore, it is important to study a fast strategy of partition coordination recovery. Based on the reachability analysis method in graph theory, this paper establishes a multi-fault dynamic partition recovery model for the active distribution network. After multiple faults occur, the active distribution network is first divided into sub-regions. Then according to the characteristics of each sub-region and the failure rate recovery rate indicator, blackout area is divided into different scenarios, and the loss of power load is recovered using distributed generator (DG) or mobile emergency power car. Hence, recovery strategies for different scenarios in different periods are obtained. There may be potential cross-cutting issues between the recovery strategies of each partition in each period. Thus, based on the autonomy and coordination of the multi-agent system, the discrete bacterial colony chemotaxis (DBCC) algorithm is embedded in the multi-agent system to coordinate and optimize the recovery strategy of each sub-region. At the same time, considering the communication failure, the 95598 system and the professional knowledge of the repair team could be regarded as a source of information for the repair system to make decisions for multiple faults recovery. By 95598 system and their professional knowledge, the repair team updates repairing order of the fault points in its area of responsibility and completes multiple fault repair work as soon as possible. At last, the example of IEEE 69-node system verifies the proposed strategy.

Key words： Active distribution network multi-fault repair accessibility analysis dynamic partition multi-agent system loss of power load recovery rate indicator

Received: 11 September 2017 Published: 30 October 2018

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TM732

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	Articles by authors
	Yang Lijun
	An Liming
	Yang Bo
	He Xin

Cite this article:

Yang Lijun,An Liming,Yang Bo等. Multi-fault Partition Repair Strategy of Active Distribution Network Based on Reachability Analysis[J]. Transactions of China Electrotechnical Society, 2018, 33(20): 4864-4875.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.171273 OR https://dgjsxb.ces-transaction.com/EN/Y2018/V33/I20/4864

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