Influence and Countermeasures on Detention Charge on Primary & Secondary Fusion of Intelligent Distribution Equipment

QIAN Yuanchi; ZHOU Bin; XIONG Jiangyong; YANG Guiping; GUO Yi

doi:10.14044/j.1674-1757.pcrpc.2019.01.022

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Influence and Countermeasures on Detention Charge on Primary & Secondary Fusion of Intelligent Distribution Equipment

更新时间：2024-09-14

- Influence and Countermeasures on Detention Charge on Primary & Secondary Fusion of Intelligent Distribution Equipment
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 40, Issue 1, Pages: 123-128(2019)
- 作者机构：
  
  1. 国网许继集团有限公司
  2. 江苏靖江互感器股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2019.01.022
  CLC： TM76
- Published：2019，
- 稿件说明：
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[1]钱远驰,周斌,熊江咏,杨桂平,郭毅.滞留电荷对智能配电设备一二次融合的影响与对策[J].电力电容器与无功补偿,2019,40(01):123-128.

QIAN YUANCHI, ZHOU BIN, XIONG JIANGYONG, et al. Influence and Countermeasures on Detention Charge on Primary & Secondary Fusion of Intelligent Distribution Equipment. [J]. Power capacitor & reactive power compensation, 2019, 40(1): 123-128.
[1]钱远驰,周斌,熊江咏,杨桂平,郭毅.滞留电荷对智能配电设备一二次融合的影响与对策[J].电力电容器与无功补偿,2019,40(01):123-128. DOI： 10.14044/j.1674-1757.pcrpc.2019.01.022.

QIAN YUANCHI, ZHOU BIN, XIONG JIANGYONG, et al. Influence and Countermeasures on Detention Charge on Primary & Secondary Fusion of Intelligent Distribution Equipment. [J]. Power capacitor & reactive power compensation, 2019, 40(1): 123-128. DOI： 10.14044/j.1674-1757.pcrpc.2019.01.022.

摘要

断路器在电压非零点时分闸

带来了滞留电荷。在中性点直接接地或经消弧线圈接地系统中

合闸时

滞留电荷泄放的直流电压叠加在正弦信号上

易造成一二次不融合。在中性点不接地系统中

合闸时

若系统对地绝缘电阻较大

则影响较小;若系统对地绝缘电阻较小

则影响较大。针对电源TV的不同接线方式

部分采用阻容分压型电压传感器

是解决暂态滞留电荷影响的一种途径;但其设计应符合对地绝缘电阻、时间常数、测量精度等综合要求。

Abstract

The detention charge will be caused due to opening of circuit breaker at non-zero point voltage.In the neutral point direct earthing system or the system through arc suppression coil

the DC voltage released by the detention charge is superimposed on the sinusoidal signal in closing operation

which is likely to cause primary&secondary non-fusion.While

in the unearthed neutral point system in closing operation

the influence is less if the insulation resistance to earth is higher and vice versa.As for the different wiring modes of power TV

partial adoption of RC dividing voltage sensor is a kind of way to solve the influence of transient detention charge

but its design shall comply with such comprehensive requirements as insulation to earth

time constant and measurement accuracy etc.

关键词

智能配电设备一二次融合滞留电荷电容分压器解决方案阻容分压器

Keywords

intelligent distribution equipmentprimary & secondary fusiondetention chargecapacitive dividersolutionresistance capacitance divider

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