关于家电设备PFC电路EMI电磁干扰的研究  

Research on EMI of PFC Circuit in Household Appliances

作　　者：孙金田 Sun Jintian(Household Air Conditioning Division of Foshan Meidi Group,Foshan Guangdong,528311)

机构地区：[1]佛山市美的集团家用空调事业部

出　　处：《电子测试》2019年第15期17-20,共4页Electronic Test

摘　　要：本文通过对家用设备PFC电路的原理分析,对PFC电路的核心器件进行阻抗测量和建立模型,并对PFC电路的差模和共模回路进行仿真,从而找出PFC电路的EMI电磁干扰的原因所在。In this paper, the principle of PFC circuit for household equipment is analyzed, the impedance of the core components of PFC circuit is measured and modeled, and the differential mode and common mode circuits of PFC circuit are simulated to find out the cause of EMI interference in PFC circuit.

关 键 词：变频家电 有源PFC电路 电磁干扰 电磁兼容仿真 

分 类 号：TM4[电气工程—电器]