A 230V, 50HZ, single phase motor takes a current of 4A and has a PF of 0.6 lagging. A capacitor in connected in parallel with the motor and takes a current of 3.8A. Calculate the value of new supply current and its power factor. Active current component is= Reactive current component is Reactive current component with capacitor is Inew= PFnew=

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Speed control of motor

Speed control by DC motor-speed controller is required to realize variable speed drive. Whenever a motor drives a particular load, it is called drive, and variable speed drive refers to a load requiring variable speed. All this is obtained by a DC motor speed controller.