Reliability Analysis and Cost Optimization of Parallel-Inverter System

被引：119
|
作者：
Yu, Xiaoxiao [1 ]
Khambadkone, Ashwin M. [1 ,2 ]
机构：
[1] Natl Univ Singapore, Singapore 117576, Singapore
[2] Agcy Sci Technol & Res, Expt Power Grid Ctr, Singapore 627590, Singapore
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2012年 / 59卷 / 10期
关键词：
Cost optimization; distributed power system; parallel inverters; power density; reliability modeling; sensitivity; analysis; POWER; TOPOLOGIES; AC;
D O I：
10.1109/TIE.2011.2175670
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
As the penetration of renewable energy resources proliferate, inverters have been employed as interface in distributed power systems. To achieve expanded power level and system redundancy, parallel connection of inverters has been widely used. This paper derives mathematical models to quantitatively evaluate the reliability of parallel inverters under different topologies and control strategies. A framework to determine the number of inverters in parallel in terms of reliability and cost optimization is proposed. Sensitivity analysis is carried out to identify the impact of parameter variation on system reliability and total cost. At last, power densities of different structures are analyzed for a fair comparison.
引用
收藏
页码：3881 / 3889
页数：9
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