Electrical Machines

E.M.F Equation of DC Generator

We know that the working principle of dc generator, that when conductors begin to cut the magnetic lines of force and therefore, the e.m.f. induces in the conductors according to 'Faraday's Law of Electromagnetic Inducti…

Working Principle of a DC Generator

Working Principle of DC Generator : A simple coil of wire ABCD is mounted on a shaft between two magnetic poles. The two ends of the coil are connected to two slip rings, S 1 , S 2 which are mounted on the same shaft. The slip …

Losses in Induction motor

The losses in an induction motor are classified as, Constant losses, and Variable losses. Constant Losses : Constant losses are those which doesn't affect due to variation in load conditions on the motor. These losses rema…

Types of Single Phase Induction Motors

Single-phase induction motors are not self-starting because there is no rotating magnetic field produced. It is not practicable to provide initial rotation to the rotor, manually. So in practice, some provision is made to provide…

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