[其它]Determination of noise source and impedance for conducted EMI prediction of power converters by lump

Absnac-This paper presents a simple and practical method 0vR gmn  
to determine EM1 noise source and impedance of power tqbYrF)  
converters. A lumped circuit modeling approach is proposed for |7ct2o~un  
describing the conducted EM1 coupling. The information ofthe xU<WUfS1  
models can be analytically deduced from a circuit theoretical W>W b|W  
viewpoint. An experimental illustration is also given to verify ?"04u*u3  
the validity of the proposed method. The procedure for a4aM.o  
estimating the parameters of the models comprises several a8nqzuI  
measurements and is convenient to implement and sh .. S\5%nz\  
4:wVT;?a  

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