Constant Frequency ZVS PWM Converter

被引：0
|
作者：
Asa, Erdem [1 ]
Bojarski, Mariusz [2 ]
Onar, Omer C. [1 ]
Czarkowski, Dariusz [3 ]
机构：
[1] Oak Ridge Natl Lab, Natl Transportat Res Ctr, Oak Ridge, TN 37830 USA
[2] NVIDIA Corp, Holmdel, NJ USA
[3] NYU, Tandon Sch Engn, New York, NY USA
来源：
2021 IEEE TRANSPORTATION ELECTRIFICATION CONFERENCE & EXPO (ITEC) | 2021年
关键词：
ZVS; PWM; converter; high; constant frequency; DC-DC CONVERTER; BRIDGE CONVERTER; DC/DC CONVERTER; IMPLEMENTATION; DEVICES;
D O I：
10.1109/ITEC51675.2021.9490042
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：
In this paper, a simple yet novel buck or boost adaptive zero-voltage switching (ZVS) converter topology is proposed for soft switching pulse-width modulation (PWM) dc / dc converters. The converter is designed for the high switching frequency that can achieve high efficiency by reducing switching losses for the entire load range at low and high power. Besides, the output at the load terminals is maintained by a PWM signal at a fixed switching frequency, a phase shift signal between converter ports (legs) controls the system circulating current in order to provide the ZVS condition in all load conditions. With the proposed controller, the converter, thus, is suitable for high switching frequency and high-power applications with the small volume. The proposed dc / dc converter operation is analyzed, designed, and confirmed by simulation results for 240 V input, 400 V / 5 A output, and 200 kHz operating frequency at full load.
引用
收藏
页数：6
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