COMPARISON OF THREE 3-PHASE CONVERTER TOPOLOGIES FOR UPS APPLICATIONS

被引：0

作者：

Cota, Anna P. L. ^{[1
]}

Abrantes, Rafael C. ^{[1
]}

Cortizo, Porfirio C. ^{[2
]}

Santana, Renato A. S. ^{[1
]}

Padrao, Wilton C. ^{[3
]}

机构：

[1] Univ Fed Minas Gerais, Programa Posgrad Engn Eletr, Belo Horizonte, MG, Brazil

[2] Univ Fed Minas Gerais, Dept Engn Eletron, Belo Horizonte, MG, Brazil

[3] LTDA, Engetron Engn Eletron Ind & Comercio, Contagem, MG, Brazil

来源：

2015 IEEE 13TH BRAZILIAN POWER ELECTRONICS CONFERENCE AND 1ST SOUTHERN POWER ELECTRONICS CONFERENCE (COBEP/SPEC) | 2015年

关键词：

POWER LOSSES; SILICON CARBIDE; TOPOLOGIES; UPS; SWITCHING LOSSES; DESIGN; IMPLEMENTATION; MODEL;

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 work presents a comparison of power losses of three 3-phase converter topologies commonly used in UPS (Uninterruptible Power Supply) applications at rectifier and inverter operation, within a range of switching frequencies, for loads with various power factors. This study also encompasses the losses evaluation in passive elements and cooling requirements for each topology, usually neglected in previous works. The competitiveness of silicon carbide (SiC) commercial modules in 3-phase online UPSs is also addressed. A simulation model to estimate the semiconductor losses and junction temperatures is explained. Preliminary experimental results prove the effectiveness of the proposed methodology for converter losses estimation.

引用

页数：6

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