Pulse Energy Modulation of a Buck-Boost Inverter

被引：0
作者：
Woldegiorgis, Abraham Tareke [1 ]
Zhang, Yonggao [1 ]
Chang, Liuchen [1 ]
机构：
[1] Univ New Brunswick, Dept Elect & Comp Engn, Fredericton, NB E3B 5A3, Canada
来源：
2011 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2011年
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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 an energy-based modulation approach for a buck-boost inverter. Pulse Energy Modulation (PEM) is proposed as a new approach to generate inverter switching pulses based on the desired output energy. The energy demand is calculated from the output voltage and reference current and the modulation index of the inverter is calculated based on the instantaneous energy demand. The proposed method is applied to a single-stage buck-boost inverter. Detailed analyses of the inverter under discontinuous and continuous inductor current conduction modes are discussed. Simulation and experimental results show that PEM provides sinusoidal output current and robust control under large variations in the dc voltage and output current.
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页码：2001 / 2006
页数：6
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