Typical Fault Simulation and Characteristic Parameter Variation Analysis of Operating Mechanism for High Voltage Circuit Breaker

LIU Jianyin; LIU Yanan; WANG Changling; CHANG Zezhou; DU Chen; JIANG Chen; YAN Pengzhi; MENG Guodong

doi:10.13296/j.1001-1609.hva.2021.02.002

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Typical Fault Simulation and Characteristic Parameter Variation Analysis of Operating Mechanism for High Voltage Circuit Breaker

更新时间：2025-04-26

- Typical Fault Simulation and Characteristic Parameter Variation Analysis of Operating Mechanism for High Voltage Circuit Breaker
- High VoltageApparatus Vol. 57, Issue 2, Pages: 7-13(2021)
- 作者机构：
  
  1. 江苏方天电力技术有限公司
  2. 西安交通大学电力设备电气绝缘国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2021.02.002
  CLC： TM561
- Published：2021
- 稿件说明：
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[1]刘建寅,刘亚南,王常龄,常泽洲,都晨,蒋琛,严鹏志,孟国栋.高压断路器操动机构典型故障模拟及其特征参量变化分析[J].高压电器,2021,57(02):7-13.

LIU Jianyin, LIU Yanan, WANG Changling, et al. Typical Fault Simulation and Characteristic Parameter Variation Analysis of Operating Mechanism for High Voltage Circuit Breaker[J]. High voltageapparatus, 2021, 57(2): 7-13.
[1]刘建寅,刘亚南,王常龄,常泽洲,都晨,蒋琛,严鹏志,孟国栋.高压断路器操动机构典型故障模拟及其特征参量变化分析[J].高压电器,2021,57(02):7-13. DOI： 10.13296/j.1001-1609.hva.2021.02.002.

LIU Jianyin, LIU Yanan, WANG Changling, et al. Typical Fault Simulation and Characteristic Parameter Variation Analysis of Operating Mechanism for High Voltage Circuit Breaker[J]. High voltageapparatus, 2021, 57(2): 7-13. DOI： 10.13296/j.1001-1609.hva.2021.02.002.

摘要

高压断路器是确保电力系统稳定运行的重要设备

其分合闸线圈电流和动触头行程曲线两个参量中包含着线圈回路及其状态、断路器机构动作过程等丰富信息。文中设计并获取了线圈接触不良、操作电压过低、铁心行程变化、铁心卡涩和油压变化等断路器操动机构常见故障的机械特性波形

获得了不同类型、不同程度故障下的上述特征参量随时间的变化趋势及可靠范围

可为断路器操动机构故障精确诊断提供重要依据。

Abstract

High voltage circuit breaker is an important equipment to ensure the stability of power system. In such twoparameters as its closing coil current and stroke curve of the moving contact

abundant information such as coil cir-cuit and its condition and operation process of the operating mechanism of the circuit breaker are contained. In thepresent work

the mechanical characteristic waveform of common faults of the operating mechanism of the circuitbreaker as poor contact of coil

low operating voltage

stroke variation of iron core

iron core jamming and oil pressurevariation are measured

and the variation trend and reliability range of above parameters at different types and differ-ent degree of fault at various times are obtained

which can provide important basis for accurate diagnosis of the oper-ating mechanism faults for the circuit breaker.

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