Self-decision Scheme for Three-phase Load Unbalance in Low Voltage Distribution Network

YANG Chenggang; ZHAO Jianwen; JIN Huafang; LIN Feng; FU Ying; HU Zhihong

doi:10.14044/j.1674-1757.pcrpc.2020.06.018

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Self-decision Scheme for Three-phase Load Unbalance in Low Voltage Distribution Network

更新时间：2024-09-14

- Self-decision Scheme for Three-phase Load Unbalance in Low Voltage Distribution Network
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 41, Issue 6, Pages: 115-119(2020)
- 作者机构：
  
  国网浙江省电力有限公司丽水供电公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2020.06.018
  CLC： TM564;TM711
- Published：2020，
- 稿件说明：
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[1]杨成钢,赵建文,金华芳,林锋,傅颖,胡志宏.基于低压配电网三相负荷不平衡时的自决策方案研究[J].电力电容器与无功补偿,2020,41(06):115-119.

YANG CHENGGANG, ZHAO JIANWEN, JIN HUAFANG, et al. Self-decision Scheme for Three-phase Load Unbalance in Low Voltage Distribution Network. [J]. Power capacitor & reactive power compensation, 2020, 41(6): 115-119.
[1]杨成钢,赵建文,金华芳,林锋,傅颖,胡志宏.基于低压配电网三相负荷不平衡时的自决策方案研究[J].电力电容器与无功补偿,2020,41(06):115-119. DOI： 10.14044/j.1674-1757.pcrpc.2020.06.018.

YANG CHENGGANG, ZHAO JIANWEN, JIN HUAFANG, et al. Self-decision Scheme for Three-phase Load Unbalance in Low Voltage Distribution Network. [J]. Power capacitor & reactive power compensation, 2020, 41(6): 115-119. DOI： 10.14044/j.1674-1757.pcrpc.2020.06.018.

摘要

由于低压负荷的差异性

常常导致电力系统低压侧出现三相负荷不平衡的情况。针对此问题

本文提出了采用智能换相开关的自决策解决方案。本文首先设计了固态智能换相开关的拓扑结构、工作模式和控制方法;其次完成了低压配电网智能换相监控系统

最后进行了Matiab仿真

并建立了低压配电网系统模型。仿真结果表明

所提出的自决策方案在解决三相负荷不平衡、改善低电压、提高供电质量方面具有可行性。

Abstract

The situation of three load unbalance at low voltage side of power system is frequently occurred due to the difference low voltage load.In view of this issue

a self-decision solution using intelligent commutation switches is proposed in this paper.Firstly

the topological structure

operation mode and control method of the solid-state intelligent commutation switch are designed.Secondly

the intelligent commutation monitoring system of the low-voltage distribution network is completed.Finally

the Matiab simulation is carried out and the low-voltage distribution network system model is established.It is shown by the simulation result that the proposed self-decision scheme is feasible in solving the three-phase load imbalance

improving the low voltage and power supply quality.

关键词

低压配电网三相不平衡智能换相开关智能监控系统

Keywords

low voltage distribution networkthree-phase unbalanceintelligent commutation switchintelligent monitoring system

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