[1] Define the term synchronous speed [Dec-2003] For synchronous machines there exists a fixed relationship between number of poles P,…
Effect of Slip on Rotor Parameters 4. Effect on Rotor Power factor From rotor impedance, we can write the expression…
The rotor input P2, rotor copper loss Pc and gross mechanical power developed Pm are related through the slip s. Let us…
The analysis of salient pole synchronous motor is based on the Blondel’s two reaction. The direct and quadrature axis components…
1. Introduction If a three phase supply is given to the stator of a three phase alternator, it can work…
Q. What is a Transformer? A. A transformer is a static electrical apparatus designed to convert alternating current from one…
It is seen that, when synchronous motor is on no load, the stator and rotor pole axes almost coincide with…
Whenever there is a need of connecting the rotating member of the machine to the stationary external circuit, then slip…
Consider a phasor diagram with normal excitation i.e. such a current through field winding which will produce flux that will…
Q. What are the advantages of parallel operation of transformers? A. 1) To maximize electrical power system efficiency: Generally electrical…