Reliability model and maintenance cost optimization of wind-photovoltaic hybrid power systems
Chao Zhang,
Qi Zeng,
Hongyan Dui,
Rentong Chen and
Shaoping Wang
Reliability Engineering and System Safety, 2025, vol. 255, issue C
Abstract:
Power systems are becoming the backbone for replacing fossil energy sources in powering human life, including wind, solar, hydropower, and nuclear energy. However, a power system is intermittent, while the integration of multiple systems allows to reduce the impact of intermittency and to increase the reliability. This paper studies the wind-photovoltaic hybrid power system and its complementary strategy and maintenance cost under different failure modes and scenarios. A reliability model of the wind-photovoltaic power system is developed based on the critical wind turbine components and the topological structure of photovoltaic (PV) systems. A maintenance cost model is then derived while considering the corrective maintenance and preventive maintenance. Afterward, a maintenance optimization model is developed while incorporating some strategies of energy complementarity. Finally, a case study in Zhejiang Province, China is adopted to verify the efficiency of the proposed method, the minimum number for proper work of the PV power subsystem, and the energy complementarity between wind and PV power system.
Keywords: System reliability; Maintenance cost; Failure analysis; Power system; Energy complementarity (search for similar items in EconPapers)
Date: 2025
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:255:y:2025:i:c:s0951832024007440
DOI: 10.1016/j.ress.2024.110673
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