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Failure modes and reliability modeling of protective systems

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  • Beshir, M. E.

Abstract

Considerable attention has been devoted by power utilities in recent years to the evaluation of power-system reliability. Most of the attention has been directed towards generation capacity, transmission and distribution system adequacy and few publications are available on protection systems. This paper reviews briefly the important concepts of reliability theory that will form a basis for analysing protective systems. The main purpose is to presume the equipment reliability data and to apply reliability concepts to evaluate the probability of failure of a system consisting of redundant relays, but with a single circuit breaker trip-coil. The study presents a development of protective system analysis by presenting some control configurations commonly used for protective systems, then it develops logic diagrams for these configurations and computes system reliabilities.

Suggested Citation

  • Beshir, M. E., 1989. "Failure modes and reliability modeling of protective systems," Applied Energy, Elsevier, vol. 34(1), pages 35-46.
    • Handle: RePEc:eee:appene:v:34:y:1989:i:1:p:35-46
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    Cited by:

    1. Mohammad Taghitahooneh & Aidin Shaghaghi & Reza Dashti & Abolfazl Ahmadi, 2024. "A review of failure rate studies in power distribution networks," International Journal of System Assurance Engineering and Management, Springer;The Society for Reliability, Engineering Quality and Operations Management (SREQOM),India, and Division of Operation and Maintenance, Lulea University of Technology, Sweden, vol. 15(8), pages 3571-3584, August.

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