Special Motors

Universal Motor – Construction, Working & Characteristics

Universal Motor is a single-phase commutator type motor. It is a special type of motor because either it can be run on a.c. or d.c. supply. The main advantage of this type of motor is that it can be developed in ratings of …

Permanent Magnet Stepper Motor - Construction & Working

A stepper motor is an electro-mechanical device that actuates a train of step movements of a shaft in response to a train of input pulses. The step movement may be angular or linear. The step movement of the motor is acc…

Ac Series Motor - Construction & Principle of Operation

Principle of Operation of A.C. Series Motor :       An ordinary d.c.series motor will run in the same direction regardless of the polarity of the supply. The direction of the torque depends upon the relative directions in s…

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