大变比LLC谐振变换器的矩阵式变压器优化设计  

Design of Matrix Transformer on LLC Resonant Converter with High Turn Ratio

作　　者：林志杰 董纪清[1] LIN Zhijie;DONG Jiqing(College of Electrical Engineering and Automation,Fuzhou University,Fuzhou 350108)

机构地区：[1]福州大学电气工程与自动化学院,福州350108

出　　处：《磁性元件与电源》2022年第1期170-174,共5页Components and Power

基　　金：江市福大科教园区发展中心科研项目NO.2019-JJFDKY-45;福建省自然科学基金项目(2018J01756)。

摘　　要：本文介绍了矩阵式变压器的工作及集成原理,设计了LLC谐振变换器的变压器并进行了损耗分析,通过绕组原副边电流进行傅里叶分解,利用一维Dowell模型对两种不同矩阵式变压器结构的损耗进行理论计算,并对两种结构变压器的端头接线损耗进行了分析,最后与仿真软件Ansys在涡流场下的仿真结果进行对比,根据变压器总损耗最低的目标确定了最优的变压器结构。In this paper,the operation and integration principle of matrix transformer was introduced,the transformer of LLC resonant converter was designed and the loss was analyzed.Through Fourier decomposition of primary and secondary current of winding,the loss of two different matrix transformer structures is calculated by using Dowell one-dimensional model,and the terminal connection loss of the two types of transformer is analyzed The simulation results of real software ANSYS under eddy current field are compared,and the optimal transformer structure is determined according to the goal of minimizing the total loss of transformer.

关 键 词：LLC谐振变换器 矩阵式变压器 绕组损耗 

分 类 号：TM4[电气工程—电器]