High-Frequency Pulsating DC-Link Three-Phase Inverter Without Electrolytic Capacitor

被引：0

作者：

Vitorino, Montie A. ^{[1
]}

Alves, Luciano F. S. ^{[1
]}

da Silva, Italo Roger F. M. P. ^{[1
]}

Correa, Mauricio B. R. ^{[1
]}

dos Santos, Gutemberg G. ^{[1
]}

机构：

[1] Univ Fed Campina Grande, Dept Elect Engn, Campina Grande, PB, Brazil

来源：

2017 THIRTY SECOND ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC) | 2017年

关键词：

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：

In this work it is presented a generalized converter configuration for a high-frequency pulsating DC-link inverter for three-phase applications. The configuration consists of a DC/DC-pulsating converter cascaded with a DC-link capacitor-less three-phase inverter. Due to the absence of a DC-link electrolytic capacitor, the presented inverter guarantees a long life-time and high power density. The DC/DC-pulsating converter aims to generate the high-frequency pulsating DC-link waveform profile which has to be synchronized with the three-phase inverter PWM. Comparing to the conventional PWM, the harmonic spectrum of voltages is the same, but the pulsating DC-link three-phase inverter presents reduced switching losses due to the fact that only one leg commutes during a switching period while the other two legs keep clamped in high or low. Details of control strategy and modulation are presented. Experimental results of a 1.6 kW prototype are presented to validate the effective operation of the proposed structure.

引用

页码：3456 / 3461

页数：6

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