Title :
Sixth torque harmonic in PWM inverter-fed induction drives and its compensation
Author :
Plotkin, Yuriy ; Stiebler, Manfred ; Hofmeyer, Dominik
Author_Institution :
Inst. of Energy & Autom. Technol., Tech. Univ. of Berlin, Germany
Abstract :
The sixth-order torque ripple harmonic in induction motors under field-oriented control with voltage space phasor modulation is investigated by means of a simulation model. It is shown that the main reason for its appearance lies in the pulsewidth modulation. Measurements on a 220-kW asynchronous drive confirm the simulation results. A compensation strategy is proposed.
Keywords :
PWM invertors; harmonics; induction motor drives; machine vector control; torque; 220 kW; PWM inverter; asynchronous drive; field-oriented control; induction motor drives; pulsewidth modulation; torque ripple harmonics; voltage space phasor modulation; Induction motors; Magnetic flux; Mathematical model; Power system modeling; Pulse width modulation; Pulse width modulation converters; Pulse width modulation inverters; Testing; Torque control; Voltage control; Field-oriented control; induction motor; pulsewidth-modulation (PWM) converter; sixth harmonic; space phasor modulation; torque ripple;
Journal_Title :
Industry Applications, IEEE Transactions on
DOI :
10.1109/TIA.2005.850999
