Optimum design of LLC resonant converter based on complex method and its realization
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摘要: 以效率为优化目标, 以品质因数~$Q$、励磁电感与谐振电感的比值~$h$~以及磁性元件的工作磁通~$B_{\rm max}$~为优化变量, 详细给出了实现最优设计的各个步骤, 包括损耗建模、边界条件的推导以及最优解的求解流程. 最后制作了一台~100 kHz、300 W~的样机. 给出了最优设计与可行设计的理论与实验对比结果. 实验结果证明了该最优设计方法的有效性和准确性.Abstract: In the process of optimization, the $Q$ factor of the converter, the $h$ ratio of magnetizing inductance to resonant inductance and the maximum flux $B_{\rm max}$ were chosen as the optimal parameters, the details on the power loss of the converter was presented, the boundary conditions was deduced and the process of getting optimum solution was proposed. Finally, a three-hundred-watt prototype was build; the theoretical and experimental comparison result verified the feasibility and accuracy of the design method.
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Key words:
- LLC resonant converter /
- complex method /
- optimum design
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[1] {1}YANG B, LEE F C, ZHANG A J, et al.LLC resonant converter for frontend DC/DC conversion[C]// Proceedings of 17th Annual IEEE AppliedPower Electronics Conference and Expositions. New York: Institute ofElectrical and Electronics Engineers Inc, 2002: 1108-1112.{2}马皓, 祁丰.一种改进的~LLC~变换器谐振网络参数设计方法~[J].中国电机工程学报,2008, 28(33): 6-11.{3}顾亦磊, 杭丽君, 吕征宇,等.非对称结构多路输出LLC谐振型变换器~[J].中国电机工程学报, 2006,43(5):82-87.{4}陈威, 吕征宇. 新颖软开关推挽LLC谐振变流器及其拓扑延拓~[J].浙江大学学报(工学版), 2010,~44(8):1540-1547.{5}LU B, LIU W D, LIANG Y, et al. Optimal design methodology for LLCresonant converter[C]// Proceedings of 21st Annual IEEE AppliedPower Electronics Conference and Exposition. New York: Institute ofElectrical and Electronics Engineers Inc, 2006:533-538.{6}YANG B, LEE F C, CONCANNON M, et al. Over current protection methodsfor LLC resonant converter[C]// Proceedings of 18th Annual IEEEApplied Power Electronics Conference and Exposition. New York:Institute of Electrical and Electronics Engineers Inc, 2003:605-609.{7}XIE X G, ZHANG J M, ZHAO C, et al. Analysis and optimization of LLCresonant converter with a novel over-curent protection circuit[J].IEEE Transactions on Power Electronics, 2007, 22: 435-443.{8}郭琦, 禀熔, 吴勃英. 基于复形法求解多智能体壁障问题的研究~[J].计算机工程与应用, 2002, 17(2):6-8.{9}樊薇薇, 翟国富. 基于复形法的继电器机械特性优化设计方法的研究~[J].低压电器, 2009, 3: 10-13.{10}莫愿斌, 陈德钊, 胡上序. 粒子群复形法求解旅行商问题~[J].浙江大学学报(工学版), 2007, 41(3): 369-373.
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