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Reliability and sensitivity analysis of a maintainable energy system under priority repair

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Listed:
  • Mangey Ram

    (Graphic Era (Deemed to Be University))

  • Shristi Kharola

    (Graphic Era (Deemed to Be University))

  • Nupur Goyal

    (Graphic Era (Deemed to Be University))

Abstract

The wind power industry, as one of the fastest-expanding renewable energy industries, experiences high failure rates along with high operating and maintenance costs. Among the different components of a wind turbine, the drive system (DS) is critical in transmission, resulting in a higher failure rate and longer downtime. The prime objective of this work is to determine the reliability of the drive system of a wind turbine under three repair policies. In this article, the authors use reliability analytical methods that are not only applicable to wind turbines but relate to any maintainable system. A quantitative study is carried out to point out differences in all three repair techniques. To analyze the repairs under priority, a flexible class of bivariate stochastic processes is proposed to incorporate the effects, modelled by a copula function. The Markov approach is used and implemented with the supplementary variable technique to estimate the time-dependent reliability and failure analysis.

Suggested Citation

  • Mangey Ram & Shristi Kharola & Nupur Goyal, 2025. "Reliability and sensitivity analysis of a maintainable energy system under priority repair," OPSEARCH, Springer;Operational Research Society of India, vol. 62(4), pages 2047-2075, December.
    • Handle: RePEc:spr:opsear:v:62:y:2025:i:4:d:10.1007_s12597-024-00868-9
    DOI: 10.1007/s12597-024-00868-9
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