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This work considers the coupling effects between differential and common modes, which have an impact on the conducted electromagnetic noise generated by variable speed drive supplied from DC grid of an aircraft. Common mode noise, which origins from the differential mode, was observed during conducted EMI measurements at the output shielded cable, due to asymmetry of the cable. It is shown, that such...
This paper presents the impact of voltage fall time of SiC MOSFETs, applied in converters of aerospace DC fed AC drives, on a HF conducted EMI signals. Simple frequency domain behavioral model is proposed for the use. Simulation results and real system measurements are successfully compared. It was shown that appropriate tuning of MOSFET voltage fall time by means of gate driver design allows to selectively...
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