Application of the vector-pulse method to starting an alternating-current motor
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A soft-start method for induction and synchronous motors is considered. The method is based on pulse switching of the motor stator to the supply network at the moments at which the stator- and rotor-flux linkage vectors produce positive electromagnetic torque. A wiring diagram of the experimental soft-start device, its operation algorithm, and experimental outcomes are presented.
Keywordsasynchronous motor synchronous motor starting method vector-impulse control experiment
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