A Three-Phase Voltage-Source Solar Power Conditioner Using a Single-Phase PWM Control Method

被引：0
|
作者：
Fujita, Hideaki [1 ]
机构：
[1] Tokyo Inst Technol, Tokyo, Japan
来源：
2009 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION, VOLS 1-6 | 2009年
关键词：
AC filters; PWM control; solar power conditioners; switching loss;
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 operating performance of a three-phase solar power conditioner introducing a single-phase pulse-width modulation (PWM) method. The proposed modulation method turns on or off only one of the three-phase legs in each PWM-carrier period. Thus, the proposed method makes it possible to reduce the average switching frequency by a factor of three and to reduce the switching power loss to 1/3 or less, compared with a conventional three-phase PWM method. Experimental results obtained by a 4-kW, 200-V setup is shown to verify the operating principle and performance. As a result, the experimental setup exhibits a good efficiency as high as 98% and an acceptable total harmonic distortion (THD) as low as 4.1%.
引用
收藏
页码：3621 / 3627
页数：7
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