本文目標在計算交錯式Vienna功率因數修正器和全橋相移之電磁干擾雜訊，進而設計出適當的濾波器。利用離散傅立葉分析法將開關、二極體波形上升/下降時間微分後做傅立葉變換得其頻域上之雜訊，再將此頻譜之雜訊值通過共模與差模的等效路徑後分壓至線路阻抗穩定網路，即可得知Vienna功因修正器與全橋相移之共模與差模之雜訊，並從數學模型中得知哪些因素造成較高的雜訊。依照轉換器架構去分析出合適濾波器拓樸結構，並利用計算的數學模型減去限制值，求得雜訊衰減值後，設計出濾波器參數，符合CISPR 22 Class A之電動車規範。

This dissertation aims to calculate the Electro-Magnetic Interference (EMI) noise of interleaved Vienna power factor correction and Phase shift full bridge (PSFB), and then design the appropriate filter. The discrete Fourier analysis method is used to differentiate the switch/diode waveform rise/fall time and then perform Fourier transform to obtain the noise in the frequency domain, the noise value of the spectrum is passed through the cicuit equivalent path of the common mode and the differential mode, finally noise across the line impedance to stabilize the network(LISN), obtain the common mode and differential mode noise of the Vienna and PSFB. Factors resulting in higher noise are found from the mathematical model. According to the converter architecture, the filter topology is analyzed and selected, and the mathematical model is used to subtract the limit value to obtain the noise attenuation value. In the end, the filter parameters are designed, and they comply with the specification of electric vehicle CISPR 22 Class A.

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