反激式开关电源共模传导干扰抑制研究

Research on Common-Mode Interference Suppression in Flyback Switched Mode Power Supply

本文以反激式开关电源为研究对象,通过分析其共模传导干扰耦合路径,提出了抑制其共模传导干扰的具体方案,并利用Pspice软件进行仿真,仿真结果印证了设计方法的正确性。

Based on analyzing of common-mode interference coupling paths of flyback switching mode power supply （ SMPS）, a specific scheme for common-mode electromagnetic interference （EMI） suppression is proposed, simulation result with the software Pspice verified the validity of the design.