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

被引：8
|
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
收藏
页码：2506 / 2516
页数：11
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