Abstract
A vector controlled-switched reluctance motor (SRM) drive system is proposed in this paper. As the unipolar excitation current, the sinusoidal current with a DC offset is applied to each circuit in the proposed technique. The excitation current consists of the DC and AC components. These components generate the (virtual) rotor flux and rotating stator field, hence, the vector control system for the SRM drive can be developed in the same way as conventional AC machines. The proposed technique provides the precise instantaneous torque control, linear torque-current control, and maximum torque per ampere (MTPA) control methods. The SRM drive can be easily controlled by a single parameter under the MTPA condition. The proposed vector control is verified by performing some experimental tests on a three-phase SRM.
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