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Markov Model for Assessment of Availability Measures of Wind Turbine

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  • Thangamani Gurunathan

    (Indian Institute of Management Kozhikode)

Abstract

Companies are often interested in knowing availability of their complex system to ensure operational effectiveness and to minimize cost. One such complex system is wind turbine and its reliability and availability are more important for its cost-effective operations. A systematic approach is presented in this paper to estimate the availability of a wind turbine system. Considering the various subsystems of wind turbine, system states are defined and modelled using Markov process approach. Some of the subsystems of the wind turbine system are in one of the states such as good, operating at reduced efficiency (due to partial failure) or under complete failure. The partial and/or complete failure scenarios also consider the failures because of external events/conditions like harsh environment. The system is modeled as a Markov process using Chapman-Kolmogorov equations. The quantitative evaluation is performed for the system and the characteristic parameters such as availability is assessed. This paper also presents the steady state availability of the various states of the subsystems and a sensitivity analysis of important subsystems. The method promises to be useful for assessing the availability of any complex systems.

Suggested Citation

  • Thangamani Gurunathan, 2018. "Markov Model for Assessment of Availability Measures of Wind Turbine," Working papers 275, Indian Institute of Management Kozhikode.
    • Handle: RePEc:iik:wpaper:275-1
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    Keywords

    Wind Turbine;

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