平面变压器电流均分的n∶1绕组布置方法  

The N:1 Winding Arrangement Method of Planar Transformer Current Equalization

作　　者：张杰[1] 周万东 赵小康 ZHANG Jie;ZHOU Wandong;ZHAO Xiaokang(School of Electrical and Electronic Engineering,Hubei Univ.of Tech.,Wuhan,430068,China;Hubei China Tobacco Cigarette Material Factory,Wuhan 430000,China)

机构地区：[1]湖北工业大学电气与电子工程学院,湖北武汉430068 [2]湖北中烟卷烟材料厂,湖北武汉430000

出　　处：《湖北工业大学学报》2021年第1期42-46,共5页Journal of Hubei University of Technology

基　　金：湖北省技术创新专项重大项目(2019AAA018)。

摘　　要：对于低压大电流电源模块,常采用并联绕组的方法增加其载流能力。但并联绕组会因趋肤和邻近效应导致电流不均分,从而形成较高的交流电阻,导致损耗增加。通过分析平面变压器初、次级绕组交叉排列对损耗的影响,得出采用交叉换位技术能够有效减小绕组损耗的结论。并推导出平面变压器电流均分的n∶1绕组布置方法,通过Maxwell 3D验证并联绕组电流均分布置方法的有效性。For low-voltage high-current power modules,parallel windings are often used to increase their current-carrying capacity.However,parallel windings will cause uneven current distribution due to skin and proximity effects,resulting in higher AC resistance and increased loss.By analyzing the influence of the cross arrangement of the primary and secondary windings of the planar transformer on the loss,it is concluded that the use of cross transposition technology can effectively reduce the winding loss.The n∶1 winding layout method of planar transformer current sharing,is deduced and the effectiveness of the parallel winding current sharing method through Maxwell 3D is verified.

关 键 词：平面变压器 绕组布置 电流均分 

分 类 号：TM403[电气工程—电器]