Solution and Control Strategy of Three-phase Unbalance in Distribution Transformer

CHEN Lei; HU Xiaojing; SHI Honghui

doi:10.14044/j.1674-1757.pcrpc.2016.03.019

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Solution and Control Strategy of Three-phase Unbalance in Distribution Transformer

更新时间：2024-09-14

- Solution and Control Strategy of Three-phase Unbalance in Distribution Transformer
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 37, Issue 3, Pages: 95-99(2016)
- 作者机构：
  
  1. 国网陕西省电力公司
  2. 国网陕西省电力公司经济技术研究院
  3. 国网西安供电公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2016.03.019
  CLC： TM727
- Published：2016，
- 稿件说明：
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[1]陈磊,胡晓菁,史红辉.配变三相不平衡解决方案及控制策略[J].电力电容器与无功补偿,2016,37(03):95-99.

CHEN LEI, HU XIAOJING, SHI HONGHUI. Solution and Control Strategy of Three-phase Unbalance in Distribution Transformer. [J]. Power capacitor & reactive power compensation, 2016, 37(3): 95-99.
[1]陈磊,胡晓菁,史红辉.配变三相不平衡解决方案及控制策略[J].电力电容器与无功补偿,2016,37(03):95-99. DOI： 10.14044/j.1674-1757.pcrpc.2016.03.019.

CHEN LEI, HU XIAOJING, SHI HONGHUI. Solution and Control Strategy of Three-phase Unbalance in Distribution Transformer. [J]. Power capacitor & reactive power compensation, 2016, 37(3): 95-99. DOI： 10.14044/j.1674-1757.pcrpc.2016.03.019.

摘要

在三相四线制低压配电网中

常出现三相电流不平衡问题

这主要是由于用户接电三相负荷不均等、用户用电随机性引起的。三相电流不平衡会增加低压供电线路的损耗

引起低电压问题

严重时甚至会损坏供用电设备。本文主要研究了低压配电网的三相不平衡问题

针对配网线路存在的不同问题提出了多种解决方案和控制策略

为治理三相不平衡问题提供了参考建议。

Abstract

The issue of three-phase current unbalance is often occurred in the three-phase four-wire low voltage distribution networks mainly due to unequal three-phase load and random power application by the user. Unbalanced three-phase current can increase loss of low voltage power supply line

lead to low voltage issue and

if serious

even damage the power supply equipment. In this paper

the issue of threephase unbalance in the low voltage distribution network is mainly studied and multiple solutions and control strategy existing in the distribution line is proposed

which provides reference suggestion for the control of three-phase unbalance.

关键词

三相电流不平衡调补装置静止无功发生器（SVG）

Keywords

unbalance of three-phase currenttuning compensationstatic var generator（SVG）

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Related Institution

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