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Constant frequency operation of parallel resonant converter for constant-current constant-voltage battery charger applications

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Journal of Modern Power Systems and Clean Energy 2019年第1期7卷 186-199页

作者： Taha Nurettin GüCIN Muhammet BIBEROGLU Bekir FINCAN Energy Systems Engineering Department University of Yalova Electrical Engineering Department Istanbul Technical University

This paper proposes a design and control approach to parallel resonant converter(PRC) based battery *** proposed approach is particularly suitable for the constant-current constant-voltage(CC-CV)charging method, which is the most commonly utilized *** the PRC is operated at two different frequencies for each CC and CV charging modes, this approach eliminates the need for complicated control techniques such as the frequency-control and *** proposed method not only simplifies the design and implementation processes of the converter unit but also simplifies the design of output filter configuration and decreases the number of the required components for the control of the *** proposed method is confirmed by two experimental *** results show that the designed charger circuit ensured a very stable constant current in CC charging phase, where the charging current is fixed to 1.75 *** a voltage increase in CV phase is observed, the charger circuit is able to decrease the charging current to 0.5 A in CV phase, as depicted in battery *** efficiency of the charger is figured out to be in the range of 86%-93% in the first setup, while it is found to be in the range of 78%-88% in the second setup,where a high frequency transformer is employed.

关键词： resonant converter Parallel resonant converter Battery charger Constant-current constant-voltage(CC-CV)charging

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A resonant Dual Full-Bridge Class-E Bidirectional DC-DC converter for Fuel Cell Electric Vehicle

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Circuits and Systems 2016年第10期7卷 3392-3402页

作者： Kuppan Senthil Dr. Daniel Mary Department of Electrical and Electronics Engineering Adhiyamaan College of Engineering Hosur India Department of Electrical Engineering Government College of Technology Coimbatore India

The interests on energy storage schemes, bidirectional dc-dc converter and uninterruptible power supplies have been increasing nowadays as there wide researches are undertaken in the area of electric vehicles. A modified bi directional class-E resonant dc-dc converter is introduced here in this proposed topology for the application in electric vehicles. The advantages of soft switching techniques have been utilized for making analysis simple. The main advantage here in this system is that it can operate in a wide range of frequencies with minimal switching loss in transistors. This paper elaborates a detailed analysis on converter design and the same has been simulated and verified in Matlab/Simulink.

关键词： Bidirectional DC-DC Fuel Cell Electric Vehicle resonant converter

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Overview of Planar Magnetics for High-frequency resonant converters

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Chinese Journal of Electrical Engineering 2022年第4期8卷 61-78页

作者： Yue Liu Yufeng Song Dingfan Hu Yang Li Zuoqian Zhang Hongfei Wu Department of Electrical Engineering Nanjing University of Aeronautics and AstronauticsNanjing 211106China

With the continuous development of power supplies toward miniaturization,light weights,and high levels of integration,research on high-frequency resonant conversion based on planar magnetics is becoming *** the soft-switching characteristics of resonant converters with those of wide bandgap devices,the switching frequency can be increase to the MHz range,and the power density of the entire system can be improved ***,higher switching frequencies impose new requirements for the structural design,loss distribution,and common mode(CM)noise suppression of passive magnetic ***,a thorough survey of the-state-of-the-art of planar magnetics in high-frequency resonant converters is *** circuit board winding-based planar magnetics,magnetic integration,and power-loss optimization strategies are summarized in *** methods for CM noise in high-frequency planar magnetics are also clarified and *** insight view into the future development of planar magnetics for high-frequency resonant converters is presented.

关键词： Planar magnetics resonant converter matrix transformer magnetic integration PCB winding loss model loss measurement CM noise suppression

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A NOVEL PHASE SHIFTED ZERO VOLTAGE SWITCHED PWM converter

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Transactions of Nanjing University of Aeronautics and Astronautics 1999年第1期16卷 33-40页

作者：阮新波严仰光南京航空航天大学自动控制系

Phase shifted converter realizes zero voltage switching (ZVS) with the use of leakage inductance of the main transformer, however, the realization of ZVS for lagging bridge leg is difficult. This paper proposes a current enhanced principle, and based on the principle, a novel phase shifted converter is proposed, which adds an auxi liary resonant net to the conventional full bridge converter to help the lagging bridge leg to realize ZVS. The principle and the design of the novel converter are analyzed, and the simulational and experimental results verify the principle.

关键词： zero voltage switching resonant converter simulation

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