Unit 3 DC MACHINES
Generating and motoring action, Constructional features of a DC machine, EMF equation of DC machine and its significance in motor Concept of torque developed by motor and it’s equation.
Concept of load torque, Types of loads and dynamics of motor and load combination, Characteristics of DC shunt motor, Speed control methods of DC shunt motor, Reversal of direction of rotation of DC motor, Braking in DC motor and its types, Regenerative braking in DC shunt motor.
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