Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how to select cable size according to ampere.

1 216

What is the meaning of C1, C61, C91 cable

312

How REF protects transformer alone? explain with diagram.

183




What Is Connection APFC Panel In Compony.

104

How Calculet The UPS AH In Load

226

how calculate kva in to kw

269

how does directional relay work incase of ac ?

136

How many types of Transformer testing..

1 201




If I have 3 essential main switch board and 3 incoming electricity ,but only 1 genset running is that possible.

249

What is the practical way to calculate the cable size for known ampere load?

150

How to test Alternator stability test for REF relay

Amprotec,

141

Testing procedure of DG alternator stability test

Amprotec,

153

how is the connection of a 3 phase ct trivector meter done on a pole mounted transformer

112

what is the function of closing coil in air circuit breaker?

Fresher,

110

sir pls tell me . our ct specifications are 120/5 ,2 core , 0.2 and 5p10 class , 30va and 30va buden. insted of 30 va i want use 15 va. can i use?

120


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Un-Answered Questions { Electrical Engineering }

why -48 volts dc used in telecommucation

1077


Block diagram of Power line communication?

960


15hp motor wound by 0.9mm & 0.95mm magnet wire. at no load test it draw 4.2A current. Another motor with same condition draw 9.2A current. How can that occur? pls help

297


what is the difference between skin effect

900


HOW DOES THE ELECTRONIC ENERGY METER WORKS?

799






what is the difference between transformer,converter and transducer

218


importance of reactive power management

775


What is mean 2XWY

693


area control error

435


what is the voltage regulation for unity and zero power factor?

934


why the making current is more than then the breaking current and if its true then its about a controling circuit or breaker power contact points

641


what is errection pcbs?

677


salam&hi, i need to know about how can i calculate an enough current for the new building before i submit it to the suppliers

643


can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.

2997


sourse is 66 KV / 350 MVA, transfarmer is 1000 KVA 6.6 / 0.415 kv, iF fault is 28.75 MVA on 0.415 KV Bus then calculat the Transfarmer Impidance

830