Improvement of ZVS Range and Current Quality of the Nine-Switch Single-Stage AC&x2013;DC Converter

被引：18

作者：

Ali, Kawsar ^{[1
]}

Dube, Sunil Kumar ^{[2
]}

Das, Pritam ^{[2
]}

Peng, Jimmy Chih-Hsien ^{[3
]}

Rogers, Daniel J. ^{[1
]}

机构：

[1] Univ Oxford, Dept Engn Sci, Oxford OX1 2JD, England

[2] SUNY Binghamton, Dept Elect & Comp Engn, Binghamton, NY 13902 USA

[3] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 119077, Singapore

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2020年 / 35卷 / 05期

基金：

英国工程与自然科学研究理事会;

关键词：

Zero voltage switching; Logic gates; Space vector pulse width modulation; Legged locomotion; Voltage control; Switches; Back-to-back (BTB) converter; loss computation; nine-switch converter; single-stage converter; zero-voltage switching (ZVS); 12-switch converter; PULSEWIDTH MODULATION; DC CONVERTER; 3-PHASE; TRANSFORMER; DESIGN;

D O I：

10.1109/TPEL.2019.2947151

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The nine-switch single-stage three-phase ac & x2013;dc isolated converter integrates a three-phase active front-end ac & x2013;dc converter and a three-phase high-frequency galvanically isolated dc & x2013;dc converter in one stage, leading to a device count reduction of 25 & x0025; compared to an equivalent two-stage configuration. The advantage of the nine-switch converter can be truly realized if it can achieve similar efficiency and input current quality as a two-stage converter. In this article, a design methodology is proposed, which ensures zero-voltage switching of the bottom and the middle switches of the nine-switch converter for the entire line cycle and also reduces its input current total harmonic distortion below 5 & x0025;. By implementing space vector pulsewidth modulation, the dc-link voltage of the nine-switch converter is reduced to the level of an equivalent two-stage converter. The analytical claims are verified with a 3-kW laboratory prototype operating at 400-V ac input, 800-V dc-link voltage, and 380-V isolated dc output voltage.

引用

页码：4658 / 4668

页数：11

共 36 条

[1]

Ali K, 2015, POET POETRY, P1, DOI 10.3998/mpub.8252696

[2] A Special Application Criterion of the Nine-Switch Converter With Reduced Conduction Loss [J].