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Empirical Circuit Breaker Failure Rate Assessment and Modeling in a Preventive Maintenance Application

机译：预防性维护应用中的经验断路器故障率评估和建模

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摘要

This article presents an analysis of the failure rates of SF6 puffer circuit breakers in the 230-kV voltage class. Historical failure recorded data for existing power circuit breakers in high-voltage substations in Thailand from 1992 to 2011 were retrieved. Subsequently, the data were analyzed and classified based on the causes of failure related to circuit breaker sub-components. The failure rates of the individual circuit breaker sub-components were determined. These failure rates were then categorized into three main circuit breaker component categories based on their functionality, which includes the live part and insulation, operating mechanism, and control part. The failure rates of the individual circuit breaker sub-components were calculated, and their associated probability distributions were estimated using Weibull distribution functions. The resulting Weibull distribution parameters were subsequently utilized in a circuit breaker preventive maintenance application to aid in the decision-making process for setting the maintenance schedule of the circuit breaker components. Finally, circuit breaker reliability is also monitored. This proposed method can also be applied to other high-voltage equipment in power systems.
机译：本文介绍了230 kV电压等级的SF6吹风机断路器的故障率。检索了1992年至2011年泰国高压变电站现有功率断路器的历史故障记录数据。随后，根据与断路器子组件相关的故障原因对数据进行分析和分类。确定了各个断路器子组件的故障率。然后根据其功能将这些故障率分为三个主要的断路器组件类别，包括带电部分和绝缘，操作机构和控制部分。计算了各个断路器子组件的故障率，并使用威布尔分布函数估算了它们的相关概率分布。随后将所得的威布尔分布参数用于断路器预防性维护应用程序中，以帮助制定用于设置断路器组件维护计划的决策过程。最后，还监视断路器的可靠性。该提出的方法也可以应用于电力系统中的其他高压设备。

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  • 来源
    《Electric Power Components and Systems》 |2015年第20期|1832-1842|共11页
  • 作者

    Sumate Lipirodjanapong; Cattareeya Suwanasri; Thanapong Suwanasri; Wijarn Wangdee;

  • 作者单位

    Department of Electrical and Computer Engineering, Faculty of Engineering, King Mongkut's University of Technology North Bangkok, Bangsue, Bangkok, Thailand;

    Department of Electrical and Computer Engineering, Faculty of Engineering, King Mongkut's University of Technology North Bangkok, Bangsue, Bangkok, Thailand,Department of Electrical and Computer Engineering, King Mongkut's University of Technology North Bangkok, 1518 Pracharat 1 Rd., Wongsawang, Bangsue, Bangkok 10800, Thailand;

    Department of Electrical and Software Systems Engineering, The Sirindhorn International Thai-German Graduate School of Engineering (TGGS), King Mongkut's University of Technology North Bangkok, Bangsue, Bangkok, Thailand;

    Department of Electrical and Software Systems Engineering, The Sirindhorn International Thai-German Graduate School of Engineering (TGGS), King Mongkut's University of Technology North Bangkok, Bangsue, Bangkok, Thailand;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    circuit breaker; preventive maintenance; failure rate analysis; mean time between failure; Weibull distribution; maintenance interval; replacement; reliability monitoring;

    机译：断路器预防性的维护;失败率分析;平均故障间隔时间;威布尔分布;维护间隔;替代;可靠性监控;

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