It is seen that, the e.m.f. induced in the conductors is always sinusoidal and commutator converts this sinusoidal e.m.f. to…
Q. What are the advantages of parallel operation of transformers? A. 1) To maximize electrical power system efficiency: Generally electrical…
Similar to d.c. machine where there is no constructional difference between a generator and motor, There is no difference between the…
Synchronous motor works on the principle of the magnetic locking. When two unlike poles are brought near each other, if…
For general lighting purpose in shops, offices, houses, schools etc. Single phase a.c. supply is commonly used. Hence instead of…
As seen earlier, synchronous motor is not self starting. It is necessary to rotate the rotor at a speed very…
From the torque equation, it is clear that torque depends on slip at which motor is running. The supply voltage…
The value of conductivity of a material gives us an estimate of the extent to which a material supports the…
Before analysing the various characteristics of motors, let us revise the torque and speed equations are applied to various types…
Induction motor converts an electrical power supplies to it into mechanical power. The various stages in this conversion is called…