Fault Analysis of Pre-insertion Resistors for 800 kV Circuit Breakers in AC Filters Field

NIU Bo; MA Feiyue; DING Pei; NI Hui; WEI Yin; CHEN Lei; TIAN Lu

doi:10.13296/j.1001-1609.hva.2020.07.006

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Fault Analysis of Pre-insertion Resistors for 800 kV Circuit Breakers in AC Filters Field

更新时间：2025-04-26

- Fault Analysis of Pre-insertion Resistors for 800 kV Circuit Breakers in AC Filters Field
- High VoltageApparatus Vol. 56, Issue 7, Pages: 36-43(2020)
- 作者机构：
  
  国网宁夏电力有限公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.07.006
  CLC： TM561
- Published：2020
- 稿件说明：
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[1]牛勃,马飞越,丁培,倪辉,魏莹,陈磊,田禄.800 kV交流滤波器场用断路器合闸电阻故障分析[J].高压电器,2020,56(07):36-43.

NIU Bo, MA Feiyue, DING Pei, et al. Fault Analysis of Pre-insertion Resistors for 800 kV Circuit Breakers in AC Filters Field[J]. High voltageapparatus, 2020, 56(7): 36-43.
[1]牛勃,马飞越,丁培,倪辉,魏莹,陈磊,田禄.800 kV交流滤波器场用断路器合闸电阻故障分析[J].高压电器,2020,56(07):36-43. DOI： 10.13296/j.1001-1609.hva.2020.07.006.

NIU Bo, MA Feiyue, DING Pei, et al. Fault Analysis of Pre-insertion Resistors for 800 kV Circuit Breakers in AC Filters Field[J]. High voltageapparatus, 2020, 56(7): 36-43. DOI： 10.13296/j.1001-1609.hva.2020.07.006.

摘要

合闸电阻在断路器合闸过程中用以抑制合闸涌流、操作过电压

主要应用在800 kV及以上电压等级输电线路与换流变电站交流滤波器场

其中交流滤波器场特殊应用环境导致合闸电阻故障率高。通过断路器合闸过程中的暂态波形分析、声振信号检测、物理场仿真等方法对一起合闸电阻缺陷引起的断路器运行异常进行分析

并给出导致合闸电阻异常原因

通过返厂解体验证了所采用分析方法的正确性。最后

对带合闸电阻结构断路器存在的潜在缺陷提出相应改善措施

以避免断路器运行过程中气隙击穿事故发生。

Abstract

Pre-insertion resistors（PIR）are used to suppress the closing inrush current or the operating overvoltageduring the closing of the circuit breakers. It is mainly used in the AC filter field of converter stations and transmissionlines with rated voltage 800 kV and above. Its special application environment causes its failure rate to be relativelyhigh than other electrical components. Through the transient waveform analysis

acoustic vibration signal detection

physical field simulation and other methods during the closing process of the circuit breaker

the abnormal operationof the circuit breaker caused by the defect of the PIR is analyzed

and the reasons for the abnormal PIR are given.The correctness of the analysis method is verified by returning to the factory for disassembly. Finally

correspondingimprovement measures were proposed for the potential defects of the series PIR and the shunt PIR to avoid air gapbreakdown during the operation of the circuit breaker.

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Related Author

MA Feiyue

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NIU Bo

ZHANG Tao

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CHEN Lei

Related Institution

State Grid Ningxia Electric Power Corporation Research Institute

Xi’an Jiaotong University

Alsha Electric Power Bureau of Inner Mongolia Power(Group) Co.,Ltd.

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