Two-Capacitor Transformer Winding Capacitance Models for Common-Mode EMI Noise Analysis in Isolated DC-DC Converters

被引：90
|
作者：
Zhang, Huan [1 ]
Wang, Shuo [1 ]
Li, Yiming [1 ]
Wang, Qinghai [2 ]
Fu, Dianbo [2 ]
机构：
[1] Univ Florida, Gainesville, FL 32611 USA
[2] Huawei Technol Co, Shenzhen 518057, Peoples R China
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2017年 / 32卷 / 11期
关键词：
Common mode (CM); electromagnetic interference; isolated power converters; transformer winding capacitance model; CIRCUIT SIMULATION; FREQUENCY;
D O I：
10.1109/TPEL.2017.2650952
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
For isolated dc-dc power converters, the interwinding parasitic capacitance of the transformer is usually one of the main paths for common-mode (CM) noise. In order to simplify the CM noise analysis, this paper proposes a two-capacitor transformer winding capacitance model. The model is derived based on general conditions so it can be applied to different isolated converter topologies. A measurement technique is also proposed to obtain the lumped capacitance for the model. The CM noise models of several isolated converter topologies are analyzed with the proposed two-capacitor transformer winding capacitance model to achieve simplicity. Finally, the proposed transformer winding capacitance model and measurement technique are verified by simulations and experiments.
引用
收藏
页码：8458 / 8469
页数：12
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