Improved Single-Phase AC-DC-AC Current Source Converter With Reduced DC-Link Oscillation

被引：7

作者：

de Azevedo Cavalcanti Costa, Louelson Afranio Leugirdes ^{[1
]}

Vitorino, Montie Alves ^{[1
]}

de Rossiter Correa, Mauricio Beltrao ^{[1
]}

机构：

[1] Univ Fed Campina Grande, Dept Elect Engn, BR-58429900 Campina Grande, PB, Brazil

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2018年 / 54卷 / 03期

关键词：

AC-DC-AC; back-to-back; current source converter (CSC); dc-link oscillation; power density; single phase; POWER;

D O I：

10.1109/TIA.2018.2799186

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, a synchronization technique for single-phase ac-dc-ac current source converters is presented. The technique aims to minimize the double-line-frequency dc-link current oscillation, thus, increasing the power density of the converter. The technique is applied to an improved back-to-back crossed switches current source converter (CSC) named X-type CSC, which presents independent full quadrant operation, lower dc-link current value, higher efficiency when compared with similar ones, and high ac output voltage waveform quality. The deduction of how the dc-link oscillation is influenced by both input and output angles is presented, as well its mitigation. Simulation and experimental results of a 200-W prototype are presented in order to validate the theoretical approach, and to demonstrate the synchronization phenomenon.

引用

页码：2506 / 2516

页数：11

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