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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.

1317

In a Impedance Based Distance Relay (Quad Characteristics) - Could there be two different Line Angle(RCA) for Ph-Ph & Ph-Gnd? If So Kindly Let me Know.. Where, What are the advantages of the same?

1428

How to calculate VCB rating for 33KV ,25 MW Power line?

1750

Why we are use dol starter up to 10 hp

1374

can we choose current transformer secondary, to calculate residual flux in a power transformer, so as its saturation is close to the saturation level of power transformer?

1503

how to test power transformer.YNd11

1561

300m long and 30kw inductive loade 3phase supply how many size cable required

1434

How many size of cable required for a 300m long and 30kw inductive lode

1305

Is it possible we are step down 11 kv to 230v ?

Fedco,

2 2938

What will be the current drawn by HT motor, if low voltage is applied.. any formula to calculate the LT amps of HT motor.?

1452

Which standard we are following earthing resistance test

1417

Why is water motor not taking the pressure? what is the problem?

1575

Why Water motor is not taking a load or pressure while everything is correct. (Note: Motor running properly)

1402

What is safety of Ht panel

1659

how to calculate the magnetizing current of ct ( 800A/1A) for Relay 64

Cadsys,

1454


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit

1934


which motor have relatively high power factor and what is reason for have high pf? 1.capacitor run motor 2.shaded pole motor 3.capacitor start motor 4.split phase motor

1985


EXPLIAN THE IMPORTANCE OF POLY PHASE CIRCUIT.

2169


Hello sir i m student of gtu .what is idp.

2196


Please brief me about number of pole in alternator.In single phase alternator coils are connected in star or series. How to calculate frequency for the same.

1911


Why you want to join non technical field when you are an engineer?

6750


how can i determine the KVA/MVA rating of transformer precisely?? is there any standard test?????

2392


sir& friends i want the collection of recent quetions asked in interview of top most companies please send me on my email san.jsr@hotmail.com

1803


what will be project cost for 100 kv transformer connection under oyt scheme.

2935


what is the working principle of energy saver control panel. please give the complete calculation & theory.

2461


what a function diesel generetaor turbo charger & turbo charger is more heated explain reason ?

2254


What is dynamo function in DG sets and draw block diagram?

2040


what is the difference b/w absolute encoder and incremental encoder?

2076


how to compute kvar in substation feeder to improve power factor and sending voltage

2140


How much should be the load percentage for 15kva Inverter and Iinut & I output load with Calculations

2114