A Current Symmetrical Hybrid Multilevel DC-AC Converter

被引：0

作者：

Jappe, Tiago Kommers ^{[1
]}

Mussa, Samir Ahmad ^{[1
]}

Heldwein, Marcelo Lobo ^{[1
]}

Caballero, Domingo Ruiz ^{[2
]}

Paredes, Carlos ^{[2
]}

机构：

[1] Fed Univ Santa Catarina UFSC, Dept Elect Engn, Power Elect Inst INEP, Florianopolis, SC, Brazil

[2] Pontificial Cathol Univ Valparaiso, Sch Elect Engn EIE, Power Elect Lab LEP, Valparaiso, Chile

来源：

PROCEEDINGS OF THE 2011-14TH EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS (EPE 2011) | 2011年

关键词：

Multilevel converters; Current source inverter; Hybrid multilevel; High resolution multilevel inverter; High current inverter;

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 work presents the analysis of new symmetrical hybrid current source-type multilevel inverter topologies. A three-level current cell (TCC) and its respective modulation pattern are proposed. The purpose of the circuits presented here is to reduce current stresses that affects the power semiconductor devices and improve harmonic distortion of the voltages applied to the load. This is done by distributing currents among the switches in the three-level cell. As a characteristic of the proposed cells, some of the switches operate at low frequency while others are switched at high frequency. To validate the operating principle a single-phase circuit has been simulated, operating at 1.0 kHz for the fast switches and 50 Hz for the slow switches. Also featured in this paper is the extension to three-phase versions of the proposed converter.

引用

页数：9

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