Switching Loss Analysis of a Three-Phase Solar Power Conditioner Using a Single-Phase PWM Control Method

被引：17
|
作者：
Fujita, Hideaki [1 ]
机构：
[1] Tokyo Inst Technol, Dept Elect & Elect Engn, Tokyo, Japan
来源：
2010 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION | 2010年
关键词：
AC filters; pulsewidth modulation; solar power conditioners; switching loss; three-phase inverters; INVERTER;
D O I：
10.1109/ECCE.2010.5617954
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 theoretical analysis and experimental verification of the switching loss in the single-phase PWM control method. The single-phase PWM control method turns on or off only one of the three phase legs in each PWM-carrier period. Thus, the method makes it possible to reduce the average switching frequency by a factor of three and to reduce the switching power loss, compared with a conventional three-phase PWM control method. Experimental results obtained by a 4-kW, 200-V setup is shown to verify the viability of the developed theory. As a result, the experimental setup exhibits a good efficiency as high as 99.2% and an acceptable total harmonic distortion (THD) as low as 4.5%.
引用
收藏
页码：618 / 623
页数：6
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