Reliability modeling and configuration optimization of a photovoltaic based electric power generation system

被引：21
作者：
Xiao, Hui [1 ]
Lin, Chen [2 ]
Kou, Gang [3 ]
Peng, Rui [4 ]
机构：
[1] Southwestern Univ Finance & Econ, Sch Stat, Chengdu 611130, Sichuan, Peoples R China
[2] Hunan Univ Technol & Business, Sch Management, Changsha 410205, Hunan, Peoples R China
[3] Southwestern Univ Finance & Econ, Fac Business Adm, Sch Business Adm, Chengdu 611130, Sichuan, Peoples R China
[4] Beijing Univ Technol, Sch Econ & Management, Beijing 100124, Peoples R China
来源：
RELIABILITY ENGINEERING & SYSTEM SAFETY | 2022年 / 220卷
基金：
中国国家自然科学基金;
关键词：
Multi-state system reliability; Phased-mission system; External impacts; Reliability optimization; Survivability; PHASED-MISSION SYSTEMS; CONSECUTIVELY-CONNECTED SYSTEMS; PREVENTIVE MAINTENANCE POLICY; MULTISTATE SYSTEMS; PERFORMANCE; DEGRADATION; ALLOCATION; ELEMENTS;
D O I：
10.1016/j.ress.2021.108285
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Existing research on phased-mission system reliability has mainly focused on internal failures. However, some practical phased-mission systems such as photovoltaic based electric power generation systems can also be subjected to external impacts. This paper models the reliability of a photovoltaic based electric power generation system considering both internal failures and external impacts that affect the failure rate of photovoltaic modules. Two different cases are considered when modeling the system reliability, where the number of elements required during different phases are the same in the first case and the number of elements required during different phases are different in the second case. The configuration of photovoltaic arrays as well as protection efforts on each photovoltaic module are further optimized to improve the system reliability. Moreover, the expected system loss is also modeled and optimized when the system demand is not satisfied. Examples are presented to illustrate the applications of proposed models.
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页数：10
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