Study on Calculation and Balancing of Neutral Point Imbalance Current in Double Star Capacitor Bank

ZHANG Yan; HU Jinhong

doi:10.14044/j.1674-1757.pcrpc.2015.05.003

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Study on Calculation and Balancing of Neutral Point Imbalance Current in Double Star Capacitor Bank

更新时间：2024-09-14

- Study on Calculation and Balancing of Neutral Point Imbalance Current in Double Star Capacitor Bank
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 36, Issue 5, Pages: 12-17(2015)
- 作者机构：
  
  1. 国网上海市电力公司市南供电公司
  2. 国网上海市电力公司浦东供电公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2015.05.003
  CLC： TM53
- Published：2015，
- 稿件说明：
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[1]张彦,胡锦泓.双星形电容器组中性点不平衡电流计算及配平方法研究[J].电力电容器与无功补偿,2015,36(05):12-17.

ZHANG YAN, HU JINHONG. Study on Calculation and Balancing of Neutral Point Imbalance Current in Double Star Capacitor Bank. [J]. Power capacitor & reactive power compensation, 2015, 36(5): 12-17.
[1]张彦,胡锦泓.双星形电容器组中性点不平衡电流计算及配平方法研究[J].电力电容器与无功补偿,2015,36(05):12-17. DOI： 10.14044/j.1674-1757.pcrpc.2015.05.003.

ZHANG YAN, HU JINHONG. Study on Calculation and Balancing of Neutral Point Imbalance Current in Double Star Capacitor Bank. [J]. Power capacitor & reactive power compensation, 2015, 36(5): 12-17. DOI： 10.14044/j.1674-1757.pcrpc.2015.05.003.

摘要

为了解决双星形电容器组运行时出现初始不平衡电流偏大的问题

通过分析电容器内部结构

对双星形电容器组中性点不平衡电流进行理论计算

推出计算公式

提出了降低不平衡电流的配平方法

并结合Matlab仿真软件和实践试验

验证了理论分析的正确性

为双星形电容器组配平调整提供依据。

Abstract

For solving the problem of big initial imbalance current occurred in the operation of double star capacitor bank

in this paper

the neutral point imbalance current of the capacitor bank is calculated theoretically through internal structure analysis of the capacitor. The calculation formula is obtained and the balance method on reducing imbalance current is proposed. The correctness of theoretical analysis is verified with combination of Matlab simulation and practical test

which provides evidence for balance adjustment of double star capacitor bank.

关键词

双星形电容器组不平衡电流计算配平方法

Keywords

double starcapacitor bankimbalance currentcalculationbalance method

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