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This paper focuses on the design of EMI filter for a power converter used Silicon Carbide power devices (SiC-JFET and SiC diode). The DC-DC converter used in this study is a buck converter which has operating frequency of 100 kHz and the turn-on and turn-off times of the JFET are equal to ten nanoseconds. It is well known that the switching times have a direct link to the spectrum of the EMI sources...
A novel electromagnetic interference (EMI) suppression technique based on field programmable logic array technology is proposed to provide a significant EMI noise attenuation for switch-mode power converters. This technique uses noise acquisition at very high-sampling rate. The noise signal is processed to invert its phase angle and reconstructed with high fidelity to counteract the noise signal before...
Comparisons of evaluated and actual performances of common mode chokes are presented. The evaluated performances are based on a new behavioural model for common mode chokes and the identification of its uncertainties to evaluate the upper and lower limits of the final attenuation. Results are compared with the final performances of the choke placed in a circuit. The behavioral model is essential in...
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