Transformer Energy Losses & Efficiency
March 9, 2016
Transformers reduce the voltage of the electricity supplied by the utility to a level suitable for use by the electric...
Read more
Types of AC Motors and DC Motors
March 7, 2016
Electric motor is a machine which converts electric energy into mechanical energy. Its action is based on the principle that...
Read more
Squirrel Cage Induction Motor Animation
March 7, 2016
Stator view Three-phase sinusoidal balanced excitation in 3 stator phases produces a sinusoidally distributed field rotating at the excitation frequency...
Read more
Types of Generators
March 7, 2016
Essentially, there are two basic types of generators: • DC generators • AC generators: Asynchronous (Induction) generators and Synchronous generators...
Read more
Difference between Star and Delta Connections
January 17, 2016
Comparison between Star (Y) and Delta (Δ) Connections
Read more
Electrical Machines Short Answers
January 3, 2016
1. Why almost all large size Synchronous machines are constructed with rotating field system type? The following are the principal...
Read more
Electrical Engineering Interview Questions
December 29, 2015
[1] What are the two types of SRM? (i) Rotary SRM (ii) Linear SRM [2] what are the types of...
Read more
Questions and Answers in Electrical Machines
December 27, 2015
[1] What is an ideal transformer? The ideal transformer should have the following properties: It has no losses Its windings...
Read more
Electrical Machines Interview Questions and Answers
December 27, 2015
[1] Why is the efficiency of a three-phase Induction Motor is less than that of a three-phase Transformer? Three phase...
Read more
Interview Questions on Transmission & Distribution
December 17, 2015
Why is alternating current used for transmission? AC is used for transmission because transformers can step it up to high...
Read more
