Transformerless Series-Connected Current-Source Converter With Less Switch Count

被引：2
|
作者：
Xing, Ling [1 ]
Wei, Qiang [2 ]
Li, Yunwei [1 ]
机构：
[1] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB T6G 2R3, Canada
[2] Lakehead Univ, Dept Elect Engn, Thunder Bay, ON P7B 5E1, Canada
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2023年 / 70卷 / 07期
关键词：
Switches; Transformers; Inductors; Voltage; Modulation; High-voltage techniques; Switching circuits; transformerless series-conne- cted current-source converter (SC-CSC); CURRENT-SOURCE INVERTERS; COMMON-MODE VOLTAGE; PWM SCHEME; AC DRIVE; CAPACITOR; BOOST;
D O I：
10.1109/TIE.2022.3201315
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The existing series-connected current-source converters (SC-CSCs) require bulky and costly transformers at either input or output. A transformerless SC-CSC was recently proposed. On this basis, in this article, a modified version is proposed. Compared with the previous one, the new one has the same features, including the same voltage stress of used switches, gain, passive components, efficiency, and inherent current and voltage balancing, but it has less switch count. The operation principle is presented, and a new modulation scheme is proposed. Technical challenges and potential applications are also discussed. The performance is verified by both simulations and lab-scaled experiments.
引用
收藏
页码：6964 / 6972
页数：9
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