Electrical Engineering Interview Question and Answer
1.Why use the vcb at high transmission system ? why cant use ACB?
Actually the thing is vacuum has high arc quenching property compare to air because in VCB,the DIE ELECTRIC strength equal to 8 times of air. That’s why always vacuum used as in HT breaker and air used as in LT.
2.What are the operations carried out in a thermal power plant?
The water is obtained in the boiler and the coal is burnt so that steam is obtained.This steam is allowed to hit the turbine,the turbine which is coupled with the generator generates the electricity.
3.What is a 2 phase motor?
A 2 phase motor is often a motor with Starting winding and running winding have a phase split.