A Novel Soft-Switching Three-Phase Grid-Connected Quasi-Z-Source Inverter

被引：3

作者：

Peng, Min ^{[1
]}

Qu, Aiwen ^{[2
]}

机构：

[1] State Grid Taizhou Elect Power Supply Co, Taizhou, Peoples R China

[2] Fuzhou Univ, Fujian Key Lab New Energy Generat & Power Convers, Fuzhou, Fujian, Peoples R China

来源：

PROCEEDINGS OF 2019 IEEE 3RD INTERNATIONAL ELECTRICAL AND ENERGY CONFERENCE (CIEEC) | 2019年

关键词：

Quasi-Z-source inverter; soft-switching; improved space vector modulation(SVM);

D O I：

10.1109/CIEEC47146.2019.CIEEC-2019597

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 novel soft-switching three-phase grid-connected quasi-Z-source inverter is proposed in this paper. A branch including one resonant inductor, one resonant capacitor and two active switches, is added to the impedance network on the basis of the quasi-Z-source inverter topology. In addition, an improved space vector modulation (SVM) for the inverter is proposed. Thus, soft-switching operations of all switches could be realized in shoot-through states. The relevant switching losses and the THD of output waveform are reduced. The soft-switching characteristics are illustrated by the simulation results, which verify the theoretical analysis.

引用

页码：1711 / 1716

页数：6

共 12 条

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