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This paper presents an intensive discussion on an overvoltage appearing at the motor terminals of an adjustable-speed drive that consists of a voltage-source PWM inverter, an induction motor, and a three-phase symmetric long cable. It describes a design procedure for a simple passive EMI filter based on parallel connection of an inductor and a resistor, which is intended for mitigating the overvoltage...
This paper presents an electromagnetic interference (EMI) filter design method for a three-phase inverter applied to motor drives. The EMI filter design is based upon the results of software noise-separation method. Therefore, no hardware noise separator is required. Moreover, the presented EMI filter design approach provides systematic design procedure, and therefore, trial-and-error overhead is...
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