Phase Sequence Adjustment Method for Three-Phase Load Imbalance in Station Area Based on Improved Pigeon-inspired Optimization

doi:10.11930/j.issn.1004-9649.202010074

Abstract

Abstract: Aiming at the three-phase load imbalance phenomenon in the low-voltage distribution station area, a method for adjusting the load phase sequence based on commutation switch is studied. The unbalanced load commutation control strategy is used to establish an optimal commutation mathematical model with the goal of minimizing the three-phase current imbalance on the low-voltage side of the distribution transformers; the adaptive parameters and Cauchy disturbance are introduced to improve the original pigeon-inspired optimization (PIO) algorithm. The improved PIO algorithm is used to solve the optimal commutation scheme. Matlab simulation verifies the superiority of the improved PIO algorithm and its effectiveness in solving the optimal commutation scheme, and the the improved PIO algorithm can significantly reduce the imbalance of the three-phase load in the station area.

Key words: low-voltage distribution station area, three-phase load imbalance, commutation switch, optimal commutation, improved pigeon-inspired optimization

HU Mingyue, ZHANG Huifen, MIAO Shuping, YANG Fan, QU Zhenming. Phase Sequence Adjustment Method for Three-Phase Load Imbalance in Station Area Based on Improved Pigeon-inspired Optimization[J]. Electric Power, 2022, 55(9): 121-128.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202010074

https://www.electricpower.com.cn/EN/Y2022/V55/I9/121

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