Reduction of Torque Ripple of Segmental Type Switched Reluctance Motor Controlled with dsPIC

Abstract—In this study, in order to reduce torque ripple of 5 phase-10/8 segmental type switched reluctance motor (SRM) a controller was designed and then performed. The SRM was controlled as a bipolar by H-bridge topology with flexible controller circuit. To determine the effectiveness of the designed driver circuit, the motor was operated at various conditions and the torque ripple of the motor was recorded. The SRM was driven by the H-bridge converter topology which can operate at both constant frequency signal and signal obtained from the encoder. The obtained results showed that the torque ripple of the SRM is reduced by using the encoder signals rather than the constant frequency signal. This control technique demonstrated that the torque ripple of the SRM can be kept within acceptable limits.

Keywords dsPIC33, H-Bridge Converter, Segmental Type Switched Reluctance Motor, Torque Ripple.

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Influence of the Cryogenic Treatment in Micro Structure, hardness and Micro hardness of the Brass 60-40 and Bronze SAE 64

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