llc谐振变换器的研究与性能优化 (1)

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1、华中科技大学硕士学位论文目录摘要...................................................................................................................IIABSTRACT....................................................................................................III1绪论1.1应用背景和研究意义...................................

2、......................................(1)1.2谐振变换器研究现状.........................................................................(3)1.3本文研究内容.....................................................................................(6)2全桥LLC谐振DC/DC变换器工作原理与稳态模型2.1全桥LLC谐振变换器主电路...........................

3、................................(8)2.2全桥LLC谐振变换器工作原理.....................................................(10)2.3LLC工作模态分析和求解..............................................................(16)2.4LLC稳态直流增益特性分析..........................................................(20)2.5本章小结...................

4、........................................................................(25)3LLC谐振型直流变换器控制特性研究3.1LLC小信号特性研究......................................................................(26)3.2谐振变换器高频数字控制问题研究...............................................(29)3.3LLC谐振型直流变换器动态性能优化........................

5、..................(33)3.4仿真与实验结果...............................................................................(40)3.5本章小结...........................................................................................(41)4全桥LLC直流变换器效率分析与ZVS条件优化4.1全桥型LLC变换器损耗分析......................................

6、...................(42)4.2全桥型LLC变换器死区时间和开关频率范围优化.....................(48)4.3仿真与实验结果...............................................................................(55)4.2本章小结...........................................................................................(58)5全文总结和工作展望5.1全文总结.........

7、..................................................................................(59)5.2工作展望...........................................................................................(60)致谢..............................................