详细分析了零电压变换ZVS(Zero Voltage Switch)PWM脉宽调制Boost变换器的软开关过程及实现软开关的条件,利用Saber软件对Boost电路在硬、软开关条件下进行了仿真验证。仿真结果表明ZVS PWM软开关变换技术具有开关损耗小、恒频控制和变换效率高等优点。 关键词:软开关;谐振回路;ZVS PWM boost;Saber 直流开关稳压电源已广泛...
A novel high frequency ZVS-PWM boost DC-DC converter with auxiliary resonant snubber. Chu E,Hu W,Gong J. The 2010 IEEE International Conference on Communications Circuits and Systems . 2010E.H. Chu, W.Y. Hu, J.X. Gong, R. Hou, M. Nakaoka, "A novel high frequency ZVS-PWM boost ...
Fig.1 Proposed ZCZVS PWM Boost full-bridge converter 957 0-7803-7754-0/03/$17.00 ©2003 IEEE auxiliary inductor with primary winding of the transformer to achieve ZVS of the lagging switches. To simplify the analysis, we assumed: 1) All power devices and diodes are ideal; 2) The...
This paper describes a high-frequency boost type ZVS-PWM chopper-fed dc-dc power converter with a single active auxiliary edge-resonant snubber in the load side which can make use of the pre-regulator of the small scale power conditioners such as solar photovoltaic generation, fuel cell generati...
BUCK BOOST ZCS ZVS PWM 电力电子电路仿真课程设计报告 设计课题：BUCK ZCS PWM 主电路设计与仿真 专业班级： 学生姓名： 07级应用电子（1）班 指导教师： 薛金龙 设计时间： 魏艳君 2010.12.20-2010.12.31 电气工程学院
Using this new approach, a self-resonant ZCS-ZVS-PWM boost power converter is presented. It is suitable for high switching frequency, high power operation and wide range of power. The converter control is done by using PWM technique, with constant frequency operation. The complete theoretical ...
本文提出了一种新型的ZVS-PWM Boost变换器,详细分析了其工作原理,并进行了验证,结果表明它能实现所有开关管的软开关,有效降低了电磁干扰,并具有较低的电压、电流应力。 参考文献 [1] B.P. Divakar and Ioinovici,A. PWM converter with low stress and zero capacitive turn-on losses. IEEE Trans on Aerospac...
为了使开关电源达到高功率密度和易于便携的要求,采用高频PWM(Pulse Width Modulation)软开关控制方式,不但利于减小开关电源的体积,而且还能有效降低开关器件损耗和噪音。详细分析了零电压变换ZVS(Zero Voltage Switch)PWM脉宽调制Boost变换器的软开关过程及实现软开关的条件,利用Saber软件对Boost电路在硬、软开关条件下进行...
[IEEE 2004 IEEE 35th Annual Power Electronics Specialists Conference - Aachen, Germany (20-25 June 2004)] 2004 IEEE 35th Annual Power Electronics Specialis... A sensorless control strategy for three phase PWM power supply rectifiers, a "phase tracking" concept, was proposed on last PESC'03. ...
详细分析了零电压变换ZVS(Zero Voltage Switch)PWM脉宽调制Boost变换器的软开关过程及实现软开关的条件,利用Saber软件对Boost电路在硬、软开关条件下进行了仿真验证。仿真结果表明ZVS PWM软开关变换技术具有开关损耗小、恒频控制和变换效率高等优点。 关键词:软开关;谐振回路;ZVS PWM boost;Saber...