A ZVS-PWM Scheme for Three-Phase Active-Clamping T-Type Inverters

被引：16

作者：

Deng, Jinyi ^{[1
]}

Hu, Changsheng ^{[1
]}

Shi, Keyan ^{[1
]}

Chen, Min ^{[1
]}

Xu, Dehong ^{[1
]}

机构：

[1] Zhejiang Univ, Coll Elect Engn, Inst Power Elect, Hangzhou 310027, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2023年 / 38卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Switches; Inverters; Zero voltage switching; Pulse width modulation; Clamps; Capacitors; Voltage; soft switching; T-type inverters; zero voltage switching; VOLTAGE; CONVERTER;

D O I：

10.1109/TPEL.2022.3215204

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：

For increasing power density and other performance of T-type three-level inverters, the soft-switching technique is studied. This article proposes a novel zero-voltage switching (ZVS) PWM scheme for active clamping three-phase T-type inverters, which can realize the ZVS operation of all switches and reduce the switching loss. The proposed ZVS PWM scheme is evolved from discontinuous PWM and modified for the requirements of T-type inverter. It enables all switches, including main switches and auxiliary switches, operate at a fixed frequency. However, a larger current on the power semiconductor devices occurs at 60 degrees zone transition. To suppress this current surge, the carriers used in the ZVS PWM scheme are phase shifted. Finally, the novel ZVS PWM scheme is verified on a 10 kW/150 kHz SiC-based ZVS T-type inverter prototype.

引用

页码：3951 / 3964

页数：14

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