The Conversion or transformation or replacement of the Star connected load network to a Delta connected network and similarly a…
The basic principle of an AC induction motor is that one or more out-of-phase AC (sinusoidal) currents energize sets of…
Electrical Machines Questions & Answers 1. Magnetic Circuits Principle of Energy Conversion Excited Magnetic Systems 2. Basic Concepts in Rotating…
We conduct open circuit and short circuit test on single phase transformer to determine the efficiency and regulation of a…
Tap changing in Transformers It is a normal fact that increase in load lead to decrease in the supply voltage.…
Squirrel Cage Induction Motor: Squireel cage induction motors are widely used in industries. Almost 70% of the industrial motors and drives comes under…
Salient Pole Synchronous Alternator: Salient pole Generators will have large diameter and short axial length Pole shoes cover 2/3 of the pitch…
Operation principle of synchronous machine is quite similar to dc machine. However difference exists in the synchronous machine as there…
Advantages: High Starting torque with low starting current. Maximum starting can be attained in the slip ring motor compared to…
Advantages of Squirrel-Cage Induction Motors The advantages of squirrel-cage motors compared with the slip ring induction motors are given below (i) They…