面向最大供电能力提升的配电网主动重构策略

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摘要基于主动配电网的发展潮流，提出一种面向最大供电能力提升的配电网主动重构策略及其预防控制系统。首先构建配电网最大供电能力评估指标，并通过变步长的重复潮流算法对配电网当前运行方式下的最大供电能力指标进行在线评估;随后，基于该指标提出配电网的主动重构策略及其预防控制系统，在最大供电能力指标低于安全警戒线时，以最大供电能力指标和最小开关操作次数为多目标对配电网进行主动优化重构，以保证配电网全天候的安全可靠运行;最后，以IEEE 33节点配电系统为例证明了本文所提面向最大供电能力提升的配电网主动重构策略及其预防控制系统的可行性和有效性。

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	靳小龙
	穆云飞
	贾宏杰
	余晓丹
	王明深
	刘聪

关键词 ：主动配电网, 在线安全评估, 最大供电能力指标, 主动重构, 预防控制

Abstract：An active reconfiguration strategy and preventive control system for active distribution network(ADN) considering maximum power supply capability(PSC) are proposed to solve the security problems caused by the increasing number of uncertainties in ADN. Firstly,a PSC index (PSCI) is proposed to evaluate the real-time security level of distribution network by sequential power flow algorithm with variable step size. Then,an active reconfiguration strategy with its preventive control system are proposed for pursuing the maximum PSCI and the minimum number of switch operation of distribution network when the PSCI is lower than a pre-defined warning value,which can significantly increase the reliability of distribution network. Case studies are carried out by using a typical IEEE 33 bus distribution network,and simulation results show the effectiveness of the proposed active reconfiguration strategy and the preventive control system,which has a good engineering application prospect.

Key words： Active distribution network(ADN) on-line security assessment maximum power supply capability index(PSCI) active reconfiguration preventive control

收稿日期: 2013-12-16 出版日期: 2015-01-22

PACS:

TM727.2

基金资助:国家高技术研究发展（863）计划（2014AA051901），国家自然科学基金（51361130152、51307115、51277128、51377117）和天津市科技计划（13TXSYJC40400）资助项目。

作者简介: 靳小龙男，1990年生，硕士研究生，研究方向为配电系统可靠性分析、自愈及新能源应用。穆云飞（通信作者）男，1984年生，博士、讲师，研究方向为电力系统安全稳定性及新能源应用。

引用本文:

靳小龙，穆云飞，贾宏杰，余晓丹，王明深，刘聪. 面向最大供电能力提升的配电网主动重构策略[J]. 电工技术学报, 2014, 29(12): 137-147. Jin Xiaolong,Mu Yunfei,Jia Hongjie,Yu Xiaodan,Wang Mingshen,Liu Cong. An Active Reconfiguration Strategy for Distribution Network Based on Maximum Power Supply Capability. Transactions of China Electrotechnical Society, 2014, 29(12): 137-147.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2014/V29/I12/137

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