电压暂降可观约束下的定位监测点多目标优化配置

doi:10.19595/j.cnki.1000-6753.tces.180647

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Abstract A multi-objective optimal method of monitors for voltage sag location under observability constraint is proposed. It uses positive sequence voltage variation as sag pattern and defines the distance of pattern to find the most likely fault location. Then the uncertainty region index is defined to measure the locating accuracy of the measuring set. Finally the multi-objective monitoring optimization model is established which takes the observability of voltage sag as the constraint condition and takes the minimum number of monitoring points and the minimum uncertainty index as the objective function. The multi-objective discrete particle swarm optimization algorithm is used to get the non-inferior solution set. The feasibility and validity of the method are verified by IEEE 39 and IEEE 118 node system.

Key words： Voltage sag location observability optimal allocation multi-objective optimization

Received: 19 April 2018 Published: 14 June 2019

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TM711

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	Zhang Yan
	Lin Yongyi
	Shao Zhenguo

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Zhang Yan,Lin Yongyi,Shao Zhenguo. Multi-Objective Optimal Allocation of Monitors for Voltage Sag Location under Observability Constraint[J]. Transactions of China Electrotechnical Society, 2019, 34(11): 2375-2383.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.180647 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I11/2375

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