Electrical Machines Short Answers
1. Why almost all large size Synchronous machines are constructed with rotating field system type? The following are the principal advantages of the rotating field system type construction of Synchronous...
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Electrical Engineering Interview Questions
[1] What are the two types of SRM? (i) Rotary SRM (ii) Linear SRM [2] what are the types of rotor position sensors in SRM? (i) Optical sensor (ii) Hall...
Questions and Answers in Electrical Machines
[1] What is an ideal transformer? The ideal transformer should have the following properties: It has no losses Its windings have zero resistance It should have zero leakage flux (100%...
Electrical Machines Interview Questions and Answers
[1] Why is the efficiency of a three-phase Induction Motor is less than that of a three-phase Transformer? Three phase Induction motor is nothing but a rotating transformer. Due to...
Interview Questions on Transmission & Distribution
Why is alternating current used for transmission? AC is used for transmission because transformers can step it up to high voltage for long distance, and down to low voltage for...