Common Mode Voltage Reduction of Single-Phase Quasi-Z-Source Inverter Based Photovoltaic System

被引：0
|
作者：
Liu, Yushan [1 ]
Xue, Yaosuo [2 ]
Sun, Hexu [3 ]
机构：
[1] Beihang Univ, Sch Automat Sci & Elect Engn, Beijing, Peoples R China
[2] Oak Ridge Natl Lab, Oak Ridge, TN USA
[3] Hebei Univ Technol, Sch Artificial Intelligence, Tianjin, Peoples R China
来源：
2019 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2019年
关键词：
Common mode voltage; single-phase inverter; quasi-Z-source inverter; pulsewidth modulation;
D O I：
10.1109/ecce.2019.8912535
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：
A common mode voltage (CMV) reduction method is proposed for the active power Filter (APF) integrated single-phase quasi-Z-source inverter (qZSI) based photovoltaic (PV) power system. The APF integrated qZSI completely compensates the dc-side double-line-frequency (2 omega) ripple through the APF capacitor, while maintaining low qZS inductance and capacitance. The proposed method reduces the CMV amplitude to half of that using the traditional sinusoidal pulsewidth modulation (SPWM). The switching and conduction power losses are analyzed. Simulation and analysis demonstrate the proposed method reduces CMV without loss of performance and efficiency of the APF integrated single-phase qZSI.
引用
收藏
页码：3659 / 3665
页数：7
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