A Single-phase Grid-connected PV Converter with Minimal DC-link Capacitor and Low-frequency Ripple-free Maximum Power Point Tracking

被引：0
|
作者：
Shi, Yuxiang [1 ]
Liu, Liming [1 ]
Li, Hui [1 ]
Xue, Yaosuo [2 ]
机构：
[1] Florida State Univ, Ctr Adv Power Syst, Tallahassee, FL 32306 USA
[2] Siemens Corp, Corp Res, Princeton, NJ 08540 USA
来源：
2013 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2013年
关键词：
FUEL-CELL; INVERTERS;
D O I：
暂无
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：
This paper presents a novel single-phase grid-connected photovoltaic (PV) converter based on current-fed dual active bridge (CF-DAB) dc-dc converter. The proposed converter allows a minimal DC-link capacitor with large voltage variation without low-frequency effect on maximum power point tracking (MPPT). An advanced control system is developed based on the converter operation principles. Minimized transformer peak current is capable to be achieved through a symmetrical dc voltage control. Simulation results are presented to validate the performance of the proposed PV converter. A 5kW laboratorial prototype is also implemented and the results will be presented later.
引用
收藏
页码：2385 / 2390
页数：6
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