Three phase inverters, which are widely used in motor drive systems, produce high level electromagnetic interference (EMI). To evaluate EMI performance in the design phase is of great importance. In this paper, computer-aided time-domain simulation, which is straightforward and convenient is used followed by fast Fourier transform (FFT) approach. The simulated common mode (CM) and differential mode (DM) noise results are compared with experimental results and they match well with each other. Both SiC MOSFET and noise paths are modeled. The impedances of passive components are modeled by impedance analyzer and the parasitic components are extracted by method of moments (MoM)-based software Ansys Q3D. The time-domain simulation approach is found to be effective if the noise source and propagation path are properly modeled.


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    Title :

    Prediction of conducted EMI in three phase inverters by simulation method


    Contributors:
    Zhuolin, Duan (author) / Dong, Zhang (author) / Tao, Fan (author) / Xuhui, Wen (author)


    Publication date :

    2017-08-01


    Size :

    909807 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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