Design and Implementation of a Single-Phase Buck-Boost Inverter

被引:0
|
作者
Chang, Chien-Hsuan [1 ]
Cheng, Chun-An [1 ]
Chi, Chu-Cheng [1 ]
Chen, Yen-Yu [1 ]
机构
[1] I Shou Univ, Dept Elect Engn, Kaohsiung 84001, Taiwan
关键词
photovoltaic; buck-boost; inverter; PHOTOVOLTAIC POWER-SYSTEM; CONDITIONING SYSTEM; CONNECTION;
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 order to simplify the configuration of photovoltaic (PV) grid-connection system, this paper proposes to adopt a buck-boost dc-dc converter, and then develops a single-phase inverter via the connection with an H-bridge unfolding circuit with line-com mutated. Depending on the conditions of dc inputvoltage and ac output-voltage, the proposed circuit can work functionally as either a step-down or step-up inverter. It is suitable for the applications with wide voltage-variation range. Since only one switch is operated with high-frequency, the switching loss can be significantly reduced to improve the efficiency. Finally, a laboratory prototype with 110 V-rms / 60 Hz output voltage is then simulated and implemented accordingly to verify the feasibility of the proposed inverter.
引用
收藏
页码:1419 / 1424
页数:6
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