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2008•International Conference on Electrical Machines and SystemsRequires access

Torque compensation for switched reluctance drives

Kanokvate Tungpimolrut, Ruchao Pupadubsin, Nattapon Chayopitak, S. Kachapornkul, Prapon Jitkreeyarn, Pakasit Somsiri

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Abstract

In this paper a torque compensation technique for switched reluctance motor (SRM) is proposed. The conventional torque control with a simple current control loop usually causes large torque ripples and affects the speed response and overall performance of the drive system. The proposed torque compensation method is based on a torque estimation technique using the inductance profile and squared value of the motor phase currents. The effectiveness of the proposed method is verified by simulation results of a 1.5 kW, 3-phase, 6-stator-pole and 4-rotor-pole SRM.

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What this paper is about

In this paper a torque compensation technique for switched reluctance motor (SRM) is proposed. The conventional torque control with a simple current control loop usually causes large torque ripples and affects the speed response and overall performance of the drive system. The proposed torque compensation method is based on a torque estimation technique using the inductance profile and squared value of the motor phase currents. The effectiveness of the proposed method is verified by simulation results of a 1.5 kW, 3-phase, 6-stator-pole and 4-rotor-pole SRM.

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Available abstract

In this paper a torque compensation technique for switched reluctance motor (SRM) is proposed. The conventional torque control with a simple current control loop usually causes large torque ripples and affects the speed response and overall performance of the drive system. The proposed torque compensation method is based on a torque estimation technique using the inductance profile and squared value of the motor phase currents. The effectiveness of the proposed method is verified by simulation results of a 1.5 kW, 3-phase, 6-stator-pole and 4-rotor-pole SRM.

Key concepts: Switched reluctance motor, Control theory (sociology), Direct torque control, Stall torque, Reluctance motor, Torque, Torque motor, Inductance

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