Influence of DC Link Capacitance on Power Efficiency of Single-Phase Inverter

被引：0

作者：

Liu, Yi ^{[1
]}

Wang, Huai ^{[2
]}

Huang, Meng ^{[1
]}

Zha, Xiaoming ^{[1
]}

Liu, Yushuang ^{[1
]}

机构：

[1] Wuhan Univ, Sch Elect Engn, Wuhan, Hubei, Peoples R China

[2] Aalborg Univ, Dept Energy Technol, Aalborg, Denmark

来源：

2018 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2018年

关键词：

DC link capacitor; power loss; controllability; voltage ripple;

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：

The capacitor sizing for the capacitive DC link of a single-phase inverter is usually based on a pre-determined voltage ripple limitation, ripple current capability, and/or energy storage requirement. Nevertheless, it is lack of justifications of the pre-determined criteria. This paper aims to investigate the dependency between the DC-link capacitance and the converter-level efficiency of a single-phase inverter. The major sources of the converter power loss, i.e., IGBTs, capacitors, and inductors, are quantitatively modeled considering the varying DC-link voltage. It provides an additional dimension to optimize the capacitor selection for capacitive DC links. The theoretical analyses are verified by both simulations and experiments.

引用

页码：1498 / 1504

页数：7

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