Reliability Evaluation of Grid-Connected Photovoltaic Power Systems

被引：132

作者：

Zhang, Peng ^{[1
]}

Wang, Yang ^{[1
]}

Xiao, Weidong ^{[2
]}

Li, Wenyuan ^{[3
]}

机构：

[1] Univ Connecticut, Dept Elect & Comp Engn, Storrs, CT 06269 USA

[2] Masdar Inst Sci & Technol, Program Elect Power Engn, Abu Dhabi, U Arab Emirates

[3] BC Hydro & Power Author, Vancouver, BC V7X 1V5, Canada

来源：

IEEE TRANSACTIONS ON SUSTAINABLE ENERGY | 2012年 / 3卷 / 03期

关键词：

Inverter; photovoltaic (PV) system; reliability; sensitivity; state enumeration; MODULE; DEGRADATION; METHODOLOGY; MODEL;

D O I：

10.1109/TSTE.2012.2186644

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This study presents a systematic way to evaluate reliability performance of large grid-connected photovoltaic (PV) power systems considering variation of input power and ambient-condition-dependent failure rates of critical components including PV modules, inverters, and capacitors. State enumeration is used to analyze real-life grid-connected PV systems. Ambient-condition-dependent failure rates of major components in PV systems are formulated and incorporated in reliability analysis. A series of reliability indices are defined to quantify PV systems' reliability performance. In addition, sensitivity analyses are extensively conducted to investigate the impact of different factors on the performances of PV power systems. Test results on a practical 20-kW PV project are presented to demonstrate the effectiveness of the proposed method.

引用

页码：379 / 389

页数：11

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