Average torque control with current-peak regulation in switched reluctance motors

Switched Reluctance (SR) Motors are favoured in applications that require torque control over a wide speed range. The control of torque in the low speed range with current chopped mode is well known. However, strategies to control average torque in single pulse mode and dynamic transition between these two modes remain to be fully developed. This paper proposes a current-peak regulation method to control the torque in the above two modes of operation of SR motors. The proposed current-peak control method allows seamless transition between the two modes. The proposed control technique is evaluated with finite element model based results and is validated with experimental results.

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