Calculation and Adjustment on the Unbalance Neutral Electric Current Y-Y Connected Capacitors

ZHAO Wei-dong

doi:10.14044/j.1674-1757.pcrpc.2010.05.004

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Calculation and Adjustment on the Unbalance Neutral Electric Current Y-Y Connected Capacitors

更新时间：2024-09-14

- Calculation and Adjustment on the Unbalance Neutral Electric Current Y-Y Connected Capacitors
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 31, Issue 5, Pages: 14-18(2010)
- 作者机构：
  
  广东电网公司肇庆怀集供电局
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2010.05.004
  CLC： TM531.4
- Published：2010，
- 稿件说明：
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[1]赵卫东.双星形电容器组中性点不平衡电流计算与调整[J].电力电容器与无功补偿,2010,31(05):14-18.

ZHAO WEI-DONG. Calculation and Adjustment on the Unbalance Neutral Electric Current Y-Y Connected Capacitors. [J]. Power capacitor & reactive power compensation, 2010, 31(5): 14-18.
[1]赵卫东.双星形电容器组中性点不平衡电流计算与调整[J].电力电容器与无功补偿,2010,31(05):14-18. DOI： 10.14044/j.1674-1757.pcrpc.2010.05.004.

ZHAO WEI-DONG. Calculation and Adjustment on the Unbalance Neutral Electric Current Y-Y Connected Capacitors. [J]. Power capacitor & reactive power compensation, 2010, 31(5): 14-18. DOI： 10.14044/j.1674-1757.pcrpc.2010.05.004.

摘要

针对双星形接线方式电容器组中性点不平衡电流在实际运行维护中存在的问题进行理论分析

确定出产生中性点不平衡电流的主要因素

提出减少不平衡电流的改进措施和方法

推导出双星形电容器组中性点不平衡电流的计算公式。实践表明

根据优化计算指导电容器组的调整或更换

可以显著降低中性点不平衡电流

减少电容器调整的盲目性。

Abstract

According to the problems on the unbalance neutral current in Y-Y connected capacitors during actual operation and maintenance

the theoretical analysis is made to define the major factor on the unbalance neutral current

propose the improvement measures and methods to reduce unbalance neutral current and deduce the calculation formula on unbalance neutral current in Y-Y connected capacitors.It is shown in practices that the adjustment or replacement of capacitor bank instructed in accordance with optimization calculation can reduce significantly the unbalance neutral current and decrease the adjustment times of capacitors.

关键词

双星形接线电容器中性点不平衡电流

Keywords

Y-Y connectedcapacitorneutralunbalance current

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