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张卫平,段亚东,毛鹏.基于GaN的并联反激均衡器的设计分析[J].电源学报,2019,17(3):72-77
基于GaN的并联反激均衡器的设计分析
Design and Analysis of GaN-based Parallel Flyback Equalizer
投稿时间:2019-02-26  修订日期:2019-05-15
DOI:10.13234/j.issn.2095-2805.2019.3.72
中文关键词:  氮化镓(GaN)  寄生电感  温度  均衡控制
英文关键词:gallium nitride(GaN)  parasitic inductance  temperature  balance control
基金项目:
作者单位E-mail
张卫平 北方工业大学节能照明电源集成与制造北京市重点实验室, 北京 100144  
段亚东 北方工业大学节能照明电源集成与制造北京市重点实验室, 北京 100144 1057340413@qq.com 
毛鹏 北方工业大学节能照明电源集成与制造北京市重点实验室, 北京 100144  
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中文摘要:
      分析寄生电感与结温对GaN并联电路的性能影响。首先理论分析寄生电感与结温的影响情况,得出这些因素与电路损耗的关系式;并且结合仿真,测试出该变换器的电压电流图像。基于并联反激均衡器理论分析与仿真电路的结果进行研究分析,得出了电路PCB的布局方案和电路的控制策略,能够更好地解决电路的延迟、振荡和不均衡的现象。最后通过设计出来的样机,与Si的电路和不同负载情况,对比分析电路的稳定性能与均衡性能,验证所得到的布局方法与控制策略能够降低寄生电感与结温对于电路的影响情况。
英文摘要:
      The effects of parasitic inductance and junction temperature on the performance of gallium nitride(GaN) parallel circuits were analyzed. First, the effects of parasitic inductance and junction temperature were analyzed theoretically, and the relationship between these factors and circuit loss was obtained. In addition, combined with simulations, the voltage and current images of the converter were tested. Then, based on the theoretical analysis of parallel flyback equalizer and the results of a simulation circuit, the layout scheme for the circuit PCB and the control strategy for the circuit were obtained, which can better solve problems of the delay, oscillation and imbalance of the circuit. Finally, based on the designed prototype, the stability and balance performances of the circuit were compared and analyzed in comparison with Si's circuit and different load conditions, and it was shown that the obtained layout method and control strategy can reduce the influences of parasitic inductance and junction temperature on the circuit.
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