用故障树法分析电机保护系统的可靠性和灵敏度

2010 IEEE/PES Transmission and Distribution Conference and Exposition: Latin America (T&D-LA) Pub Date : 2010-11-01 DOI:10.1109/TDC-LA.2010.5762886

J. Sadeh, Y. Damchi

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引用次数: 1

摘要

作为大型工业负荷，电动机的可靠性保持在理想的水平上具有特殊的重要性，因为电动机可靠性低，操作不当会对工业装置造成严重的损害。保护系统的合理运行是电力系统中电动机具有良好可靠性的因素之一。保护系统的元件故障率对电力系统保护的合理运行具有至关重要的作用。因此，本文采用故障树方法，从可靠性的角度对电动机保护系统的运行进行了研究。对电机保护系统进行可靠性分析，确定电机保护子系统和系统的可用性、年停机时间和故障率。并利用电机保护系统部件的风险降低值指标进行灵敏度分析。

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Reliability and sensitivity analysis of motor protection system using fault tree method

Maintaining reliability of the electrical motors as large industrial loads in desirable level has special importance because electrical motors with low reliability and in result with inappropriate operation can cause heavy damages in the industrial plants. Appropriate operation of protection system is one of the factors to have desirable reliability of electrical motors in the power system. Components of protection system failure rate has vital role in appropriate operation of power system protection. Therefore, in this study, operation of electrical motor protection system from view of reliability has investigated using fault tree method. Availability, annual downtime and failure rate of motor protection subsystem and system is determined to reliability analysis of the motor protection system. Also, risk reduction worth index of motor protection system components is used for sensitivity analysis.

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来源期刊

2010 IEEE/PES Transmission and Distribution Conference and Exposition: Latin America (T&D-LA)

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