Improved Control Strategies for Totem-Pole PFC With True Full Range ZVS Operation

被引：0
|
作者：
Chen J. [1 ]
Tai W. [1 ]
Xun B. [1 ]
Gong C. [1 ]
Chen J. [1 ]
机构：
[1] Nanjing University of Aeronautics and Astronautics, Center for More-Electric-Aircraft Power System, Ministry of Industry and Information Technology, College of Automation Engineering, Nanjing
[2] Chongqing University, Key Laboratory of Complex System Safety and Control, Ministry of Education, College of Automation, Chongqing
来源：
IEEE Transactions on Industrial Electronics | 2023年 / 70卷 / 03期
关键词：
Adaptive dead-time control; control strategy; totem-pole power factor correction (PFC); zero voltage switching (ZVS);
D O I：
10.1109/TIE.2022.3174282
中图分类号：
学科分类号：
摘要：
Zero voltage switching (ZVS) of power semiconductor devices is an effective way to improve the efficiency and power density of the power electronic converters with extremely high switching frequency. This article aims to analyze and realize the true full-range ZVS operation of a totem-pole power factor correction circuit. The available ZVS control strategies are investigated, and the conditions for the realization of full-range ZVS operation are analyzed. It is revealed that the existed control strategies did not consider the influence of the dead-time, resulting in the failure of ZVS operation in some input voltage ranges. To address this issue, two feasible retrofitted control strategies, namely the turn-off current optimization control and the adaptive dead-time control, are proposed. The merits and drawbacks of the two control strategies are carefully analyzed and compared. It is found that the adaptive dead-time control can not only achieve the true full range ZVS but also significantly reduce the loss of the freewheeling diodes. The design consideration of key parameters is discussed. Finally, the feasibility of the proposed control and the correctness of the theoretical analyses are verified by simulation and experiment. © 1982-2012 IEEE.
引用
收藏
页码：2419 / 2430
页数：11
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