μPMU Placement Considering the Distribution of Observation Redundancy and Topology Changes in Active Distribution Networks

IF 1.6 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Dai Wan, Miao Zhao, Guidong He, Liang Che, Chunming Tu, Wenhui Mo
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引用次数: 0

Abstract

Placement of μPMUs in active distribution networks (ADNs) can significantly improve the system’s observability. Existing research mostly focused on how to achieve global observability with a minimum number of μPMUs, but ignored the system observability under special cases such as line faults, μPMU failures, and topology changes. To ensure ADN’s observability with a minimum number of μPMUs in both normal and special cases, this paper proposes a μPMU placement method that considers the observability of existing monitoring devices, the distribution of observation redundancy, and the nodal priority of μPMUs placement. Simulation results verify that the proposed method needs fewer μPMUs than existing methods and enhances the stability of observability for achieving the global observability of an AND. Both the economic feasibility and observability performance of the PMU placement are considered.

Abstract Image

主动配电网络中考虑观测冗余分布和拓扑变化的 μPMU 布局
在有源配电网络(ADN)中放置 μPMU 可以显著提高系统的可观测性。现有的研究主要集中在如何用最少的 μPMU 实现全局可观测性,但忽略了线路故障、μPMU 故障和拓扑变化等特殊情况下的系统可观测性。为确保 ADN 在正常和特殊情况下都能以最少的 μPMU 数量实现可观测性,本文提出了一种 μPMU 布置方法,该方法考虑了现有监控设备的可观测性、观测冗余分布以及 μPMU 布置的节点优先级。仿真结果验证了所提出的方法比现有方法需要更少的μPMU,并增强了实现 AND 全局可观测性的可观测性稳定性。我们同时考虑了 PMU 布置的经济可行性和可观测性能。
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来源期刊
Journal of Electrical Engineering & Technology
Journal of Electrical Engineering & Technology ENGINEERING, ELECTRICAL & ELECTRONIC-
CiteScore
4.00
自引率
15.80%
发文量
321
审稿时长
3.8 months
期刊介绍: ournal of Electrical Engineering and Technology (JEET), which is the official publication of the Korean Institute of Electrical Engineers (KIEE) being published bimonthly, released the first issue in March 2006.The journal is open to submission from scholars and experts in the wide areas of electrical engineering technologies. The scope of the journal includes all issues in the field of Electrical Engineering and Technology. Included are techniques for electrical power engineering, electrical machinery and energy conversion systems, electrophysics and applications, information and controls.
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