Phase-shifted PWM Strategy of a Seven-level Single-phase Current Source Inverter for Grid-connection Systems

被引：0

作者：

Lekgamheng, Napaphat ^{[1
]}

Kumsuwan, Yuttana ^{[1
]}

机构：

[1] Chiang Mai Univ, Dept Elect Engn, Chiang Mai 50200, Thailand

来源：

2013 IEEE 10TH INTERNATIONAL CONFERENCE ON POWER ELECTRONICS AND DRIVE SYSTEMS (IEEE PEDS 2013) | 2013年

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a detailed analysis of a seven-level single-phase current source inverter for grid-connection systems. The aim of this research was to control high power factor operation, injecting a sinusoidal current flowing into the utility grid. The proposed two-stage power conversion strategies consisted of a dc-dc multilevel converter and a current source inverter, which operated with high switching and line frequency. A proposed topology is used to produce a seven-level current output with a phase-shifted PWM technique. A simple method is presented to improve the total harmonic distortion and power factor requirement. The feasibility of the proposed method was verified by simulation and experimental results.

引用

页码：1025 / 1028

页数：4

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