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Large dv/dt and di/dt due to power device fast switching within a DC-fed voltage-type PWM inverter of high power density and high-efficiency motor drive system for electric vehicle (EV) always introduce unwanted high frequency noise current through parasitics/distributed parameters of the motor drive system. The complete test setup for conducted-EMI emission from the AC motor drive system of EV are...
Transient overvoltages at motor terminals and high-frequency common-mode currents in PWM drive systems have been extensively investigated in the last fifteen years. Nevertheless, some issues concerning such quantities still remain unclear. That is the case of the converter-to-motor cabling influence on the intensity of these high-frequency voltages and currents. Filters of different types have been...
This paper presents two numerical methods to compute quickly radiated emissions of a cable linking a power converter and a motor. 3D model is not built to be compliant with industrial process (short time development). The field is directly deduced (thanks to Matlab programs) from the common mode current and the load impedance. Simulations are compared to measurements on an inverter mock-up designed...
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