An Improved Soft-Switching Single-Phase Inverter for Small Grid-Connected PV-System

被引：0
|
作者：
Amorndechaphon, Damrong [1 ]
Premrudeepreechacharn, Suttichai [1 ]
Higuchi, Kohji [2 ]
机构：
[1] Chiang Mai Univ, Dept Elect Engn, Chiang Mai 50200, Thailand
[2] Univ Electrocommun, Dept Elect Engn, Tokyo, Japan
来源：
IECON 2008: 34TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY, VOLS 1-5, PROCEEDINGS | 2008年
关键词：
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In order to increase the conversion efficiency of grid-connected PV-systems, a high-efficiency PV power inverter with simple control methodology is required. To satisfy this requirement, an improved single-phase inverter using soft-switching technique is proposed. The proposed power inverter circuit is composed of a ZVT-PWM boost dc-dc converter and a LLCC resonant inverter. The dc-link voltage amplitude is controlled by ZVT-PWM boost dc-dc converter with soft-switching transition for all active switches. The stable sinusoid ac output voltage is inverted from dc-link voltage via a LLCC resonant inverter. The effectiveness of the proposed grid-connected inverter for small PV system is verified by simulation results.
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页码：2054 / +
页数：2
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