A Novel ZVS-PWM Single-Phase Inverter Using a Voltage Clamp ZVS Boost DC Link

2007 2nd IEEE Conference on Industrial Electronics and Applications Pub Date : 2007-05-23 DOI:10.1109/ICIEA.2007.4318421

Chien-Ming Wang, C. Su, Chien-Yeh Ho, Kuo-Lun Fang

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引用次数: 8

Abstract

A novel zero-voltage-switching pulse-width-modulation (ZVS-PWM) single-phase inverter using a voltage clamp ZVS boost dc link is proposed in this paper. The proposed voltage clamp ZVS boost dc link not only provides the switches in the section of conventional PWM buck inverter operate at ZVS, but it has a boost input voltage function and the switches in itself also operate at ZVS. Thus, except for the switch in the section of ZVS-PWM commutation cell, all power semiconductor devices in proposed inverter operate at ZVS turn on and turn off. The switch in the section of ZVS-PWM commutation cell operates at zero-current-switching (ZCS) turn-on and turn-off. Besides operating at constant frequency, the proposed inverter has no voltage stress and current stress on the main switch compared to the hard switching inverter counterpart. Auxiliary components rated at very small current are used. The principle of operation, theoretical analysis, and experimental results of the new ZVS-PWM single-phase inverter, rated 1kW and operated at 80 kHz, are provided in this paper to verify the performance.

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一种新型电压钳位ZVS升压直流链路ZVS- pwm单相逆变器

提出了一种新型零电压开关脉宽调制(ZVS- pwm)单相逆变器，该逆变器采用电压钳位ZVS升压直流链路。所提出的电压钳位ZVS升压直流链路不仅使传统PWM降压逆变器部分的开关工作在ZVS，而且具有升压输入电压功能，开关本身也工作在ZVS。因此，除ZVS- pwm换相单元部分的开关外，逆变器中所有功率半导体器件均工作在ZVS导通和关断状态。ZVS-PWM整流单元部分的开关工作于零电流开关(ZCS)的导通和关断。除了恒频工作外，与硬开关逆变器相比，该逆变器在主开关上没有电压应力和电流应力。使用额定电流很小的辅助元件。本文给出了额定功率为1kW、工作频率为80khz的新型ZVS-PWM单相逆变器的工作原理、理论分析和实验结果，以验证其性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2007 2nd IEEE Conference on Industrial Electronics and Applications

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