A High-Power-Density DC-DC Converter for Distributed PV Architectures

被引：36

作者：

Agamy, Mohammed S. ^{[1
]}

Chi, Song ^{[1
]}

Elasser, Ahmed ^{[1
]}

Harfman-Todorovic, Maja ^{[1
]}

Jiang, Yan ^{[1
]}

Mueller, Frank ^{[1
]}

Tao, Fengfeng ^{[1
]}

机构：

[1] GE Global Res Ctr, Niskayuna, NY 12309 USA

来源：

IEEE JOURNAL OF PHOTOVOLTAICS | 2013年 / 3卷 / 02期

关键词：

DC-DC converters; distributed photovoltaic (PV) architectures; partial power processing; silicon carbide devices; TRACKING;

D O I：

10.1109/JPHOTOV.2012.2230217

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In order to maximize the solar energy harvesting capabilities, power converters for photovoltaic (PV) systems have to be designed for high efficiency, accurate maximum power point tracking (MPPT), and voltage/current performance. When many converters are used in distributed PV systems, power density also becomes an important factor since it allows for simpler system integration. In this paper, a high-power-density string-level MPPT dc-dc converter suitable for distributed medium- to large-scale PV installations is presented. A simple partial power processing topology that is implemented exclusively with silicon carbide devices provides high efficiency and high power density. A 3.5-kW, 100-kHz converter is designed and tested to verify the proposed methods.

引用

页码：791 / 798

页数：8

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