Comparative Analysis of the Reliability of Grid-Connected Photovoltaic Power Systems

被引：0
|
作者：
Wang, Yang [1 ]
Zhang, Peng [1 ]
Li, Wenyuan [2 ]
Kan'an, Nadim H. [1 ]
机构：
[1] Univ Connecticut, Dept Elect & Comp Engn, Storrs, CT 06269 USA
[2] BC Hydro & Power Author, Vancouver, BC V7X 1V5, Canada
来源：
2012 IEEE POWER AND ENERGY SOCIETY GENERAL MEETING | 2012年
关键词：
Photovoltaic system; reliability; central inverter; string inverter; state enumeration; sensitivity; MODULE; METHODOLOGY; MODEL;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This study compares the reliability performance of string inverter structure and central inverter structure for grid-tied solar photovoltaic (PV) systems. The impact of input power variation and ambient-conditions on failure rates of PV system components are quantified and incorporated in the reliability analysis. Aging failure in PV panels is also modeled to evaluate the life cycle reliability of both types of PV systems. Sensitivity analyses are extensively conducted to explore the impact of different factors on the performances of different PV systems. Test results on a practical 20 kW PV project are presented to demonstrate the effectiveness of the presented method.
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页数：8
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