Harmonic-analysis of slip-power recovery drives

Document Type



A method to evaluate harmonic currents and voltages associated with slip-power recovery drives (SPRDs) is presented. The rectifier commutation overlap and DC link current ripple are included in the analysis by using a hybrid between the traditional d-q and a-b-c induction motor models. The harmonic components are determined from closed-form expressions that are functions of the numerical values of the distorted waveforms. Computer simulations illustrate the non-periodic nature of the stator currents and typical harmonic contents of rotor current and voltage at various speed values.


Electric distortion; Electric motors; Induction; Harmonic analysis; Voltage


Controls and Control Theory | Electrical and Computer Engineering | Electrical and Electronics | Power and Energy | Systems and Communications


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