A New Architecture for High Efficiency Maximum Power Point Tracking in Grid-Connected Photovoltaic System

被引：0
|
作者：
Yuan Bo [1 ]
Yang Xu [1 ]
Li Donghao [1 ]
Wang Zhaoan [1 ]
机构：
[1] Xi An Jiao Tong Univ, Power Elect & Renewable Energy Res Ctr, Xian 710049, Peoples R China
来源：
2009 IEEE 6TH INTERNATIONAL POWER ELECTRONICS AND MOTION CONTROL CONFERENCE, VOLS 1-4 | 2009年
关键词：
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：
In the development of grid-connected PV systems, efficiency plays a key role for solar farmers to shorten their capital payoff. Moreover, it is found that the architecture of a grid-connected PV system affects its efficiency greatly. After an overview for kinds of power architectures in grid-connected PV system, multi-string configuration attracts us most attention for its best compromise between efficiency and cost. However, strong anticipation for efficiency improvement continuously drives the development of grid-connected PV system. A new architecture for supper high efficiency maximum power point tracking (MPPT) based on multi-string configuration is proposed in this paper. This new architecture with the compensating concept for MPPT is theoretically developed and a 2.8 kW experimental PV platform is built. Experiment results verified the 99% high efficiency merit of the proposed PV architecture under complex climate condition for whole year operation.
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页码：1280 / 1284
页数：5
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