Configuration Selection and Application of Arc-overvoltage Suppressors

FENG Jian-qin; FENG Qiao-ling; CHEN Zhi-wu

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Configuration Selection and Application of Arc-overvoltage Suppressors

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- Configuration Selection and Application of Arc-overvoltage Suppressors
- High VoltageApparatus Vol. 45, Issue 2, Pages: 117-119(2009)
- 作者机构：
  
  郑州轻工业学院电气信息工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM862
- Published：2009
- 稿件说明：
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[1]冯建勤,冯巧玲,陈志武.消弧柜的配置与选用[J].高压电器,2009,45(02):117-119.

FENG Jian-qin, FENG Qiao-ling, CHEN Zhi-wu. Configuration Selection and Application of Arc-overvoltage Suppressors[J]. High voltageapparatus, 2009, 45(2): 117-119.
[1]冯建勤,冯巧玲,陈志武.消弧柜的配置与选用[J].高压电器,2009,45(02):117-119. DOI：

FENG Jian-qin, FENG Qiao-ling, CHEN Zhi-wu. Configuration Selection and Application of Arc-overvoltage Suppressors[J]. High voltageapparatus, 2009, 45(2): 117-119. DOI：

摘要

为消除6～35 kV电网中的弧光接地过电压

笔者提出了一种改进型消弧柜

称作B型消弧柜。当电网发生单相弧光接地时

这种消弧柜可以根据预先设定的运行模式

通过高压真空接触器直接将故障相接地以消除弧光接地过电压

或者仅仅动作于信号。对于大多数6～35 kV电网而言都可设置两台B型消弧柜

其中一台用作消弧设备

而另一台用作智能电压互感器柜

它们互为备用。实际运行结果表明:在选型、配置及使用正确的情况下

这种消弧柜可有效消除6～35 kV电网中的弧光接地过电压

因而可广泛地用作6～35 kV电网的消弧设备。

Abstract

To eliminate the arc-overvoltage in 6～35 kV power systems

an improved arc-overvoltage suppressor

named B-type arc-overvoltage suppressor

is proposed.When single-phase arc-grounding appears

the suppressor can control a high-voltage vacuum contactor to ground the fault phase bus to avoid the arc-overvoltage

or only operate to give an alarm signal without grounding operation

according to the preset operation mode for it.Two arc-overvoltage suppressors（B-type） may be configured for a 6～35 kV power system

where one is used as an arc-overvoltage suppression device and the other as an intelligent potential transformer cabinet.Each of them can be the backup device for the other.The practical application shows that the B-type arc-overvoltage suppressors can eliminate the arc-overvoltage in 6 ～35 kV power systems if their configuration

selection and application are correct.

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