Grid-connected photovoltaic system using current-source inverter

被引:28
作者
Lee, Sang-Hun [1 ,2 ]
Song, Sung-Geun [3 ]
Park, Sung-Jun [3 ]
Moon, Chae-Joo [4 ]
Lee, Man-Hyung [1 ,2 ]
机构
[1] Pusan Natl Univ, Sch Mech Engn, Pusan 609735, South Korea
[2] Pusan Natl Univ, ERC Net Shape & Die Mfg, Pusan 609735, South Korea
[3] Chonnam Natl Univ, Dept Elect Engn, Kwangju, South Korea
[4] Mokpo Natl Univ, Dept Elect Engn, Mokpo, South Korea
关键词
six-pulse-shift; current-source pulse width modulation; phase-shift PWM;
D O I
10.1016/j.solener.2007.10.006
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 six-pulse-shift operation control mode for improving the efficiency and reducing the frequency of inverter switching for a photovoltaic generation system using a current-source pulse width modulation (PWM) inverter. This system is directly connected to a solar cell without using a storage cell. The proposed circuit can maintain the maximum voltage of photovoltaic generation by taking advantage of six buck-boost converters and a full-bridge inverter determines the polarity of the alternative current (AC) output. The six-pulse-shift operation of the current-source inverter is controlled by using the method of phase-shift PWM algorithm, and its operation is verified through experimental results. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:411 / 419
页数:9
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