Analysis on Online Monitoring Fault Probability of Mechanical Characteristics for Hydraulic High Voltage Circuit Breakers

WANG Chengyou; YAN Honghua; LIU Candong; GUO Zhaojing

doi:10.13296/j.1001-1609.hva.2015.08.014

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Analysis on Online Monitoring Fault Probability of Mechanical Characteristics for Hydraulic High Voltage Circuit Breakers

更新时间：2025-04-26

- Analysis on Online Monitoring Fault Probability of Mechanical Characteristics for Hydraulic High Voltage Circuit Breakers
- High VoltageApparatus Vol. 51, Issue 8, Pages: 86-91(2015)
- 作者机构：
  
  1. 济南大学自动化与电气工程学院
  2. 2. 山东迪生电子有限公司
  3. 山东泰开自动化有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.08.014
  CLC： TM561
- Published：2015
- 稿件说明：
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[1]王成友,闫红华,刘灿东,郭兆静.液压式高压断路器机械特性在线监测故障几率研究[J].高压电器,2015,51(08):86-91.

WANG Chengyou, YAN Honghua, LIU Candong, et al. Analysis on Online Monitoring Fault Probability of Mechanical Characteristics for Hydraulic High Voltage Circuit Breakers[J]. High voltageapparatus, 2015, 51(8): 86-91.
[1]王成友,闫红华,刘灿东,郭兆静.液压式高压断路器机械特性在线监测故障几率研究[J].高压电器,2015,51(08):86-91. DOI： 10.13296/j.1001-1609.hva.2015.08.014.

WANG Chengyou, YAN Honghua, LIU Candong, et al. Analysis on Online Monitoring Fault Probability of Mechanical Characteristics for Hydraulic High Voltage Circuit Breakers[J]. High voltageapparatus, 2015, 51(8): 86-91. DOI： 10.13296/j.1001-1609.hva.2015.08.014.

摘要

在智能变电站中

在线监测系统能够实时记录断路器机械特性数据

包括储能电机电流曲线、分合闸线圈电流曲线、分合闸行程曲线等

笔者结合液压式高压断路器机械特性的各种可能故障

分析断路器机械特性故障对在线监测结果的影响

给出了机械特性故障几率的计算方法和实际应用的参数

并通过对断路器故障的模拟

计算了实际的故障几率。这一方法能够实时了解断路器的运行状态

为保障断路器的安全可靠运行提供了重要的技术手段

已经规模化应用于智能变电站实际工程中。

Abstract

In a smart substation

the data of mechanical characteristics of a circuit breaker are recorded in real time by online monitoring system

including the curves of energy-storage motor current

the curves of opening/closing coil current

and the curves of opening/closing distance. In this study

the effects of mechanical faults on the online monitoring results were analyzed according to all possible mechanical faults

and calculation formula for calculating the probability of mechanical faults were given with application parameters. Actual fault probability was calculated via fault simulation of a circuit breaker. With the proposed method

the operation status and fault probability of a circuit breaker can be calculated

thus safe operation of the circuit breaker is ensured. This method has been applied to some smart substations.

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