A New Torque Control Approach for Torque Ripple Minimisation in Switched Reluctance Drives

A New Torque Control Approach for Torque Ripple Minimisation in Switched Reluctance Drives

Blog Article

The switched reluctance motor (SRM) has many merits, such as robustness, a simple construction, low cost, and no permanent magnets.However, its deployment in servo applications is restrained ill tempered gnome due to acoustic noise and torque ripple (TR).This paper presents a new torque control approach for TR reduction in switched reluctance drives.

The approach is based on the maximum utilisation of the available dc-link voltage, hence extending the zero torque-ripple speed range.The approach is suitable for an SRM with any number of phases and stator/rotor poles.Soft switching control is deployed, which reduces switching losses.

At any instant (regardless of the number of phases being conducted simultaneously), only one phase current is controlled.The well-established torque-sharing function concept is adapted and generalised to cater for more than two phases conducting simultaneously.MATLAB/Simulink confirmation simulations are based on the widely studied four-phase 8/6, 4 kW, 14b-ca0013dx 1500 rpm SRM.