Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Can someone explain how does an IDMT relay works.

AFM,

1 2665

wich timer i have prefred for pusher operation fwd & back?

AluChem,

2 4342

Why Drives are used to run AC motors?

3 4896

checklist of ELCB

EECE,

1 12719

what is neutral?

2 3945

what is deferens between HT< DG

2 5241

why C.T protection required for H.T.lines?

4 8857

What are the effects to a distribution transformer rated 10Kv with ratio 10Kv/0.433Kv, 3phase 50hz for example but fed with power supply of 11Kv?

2 3620

does meager test perform on lightning arrester ? if doesn't then why ?

1 3424

Which companies are into the project management of construction of power transmission line?

2 2988

what is difference between megger & Contact resistance meter & its Application?

2 8506

How many types of isolator is available for H.T.lines? which one is best for sub-station?

4 9347

why ct is connected at bushing of transformer ??????????

3 6022

WHAT IS THE WORKING PRINCIPLE OF A GENERATER.how is a GTG (Gas TURBANE Generater) working.plz explane

Assure Group,

2130

Why do we need interlocking in a HT metering or Ring main unit switchgear?

1629


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Un-Answered Questions { Electrical Engineering }

how we find transformer capacity by ohm

1800


how can we make cable shedule for controll wiring ? which details must be required for it.?

1730


132/66kv sub-station procation ?

1788


any idea abt REVERSE METERING concept.........?

1812


What is the basis for framing the rules of block diagram reduction technique?

1058






Please provided formula for calculate the cable size from step up transformer to M.V panel, run overhead aluminum cables, total load is 5mega watt, total length 900 feet.

1347


What are the specifications for getting approval of Substation?

1502


How Can you do Maintenance of ACB of 2000Amperes

1701


What are the main significances of root locus?

790


why zero sequence impedance measurement is not applicable for single phase GT

1773


Can anyone please provide me details of MCCB/Contactor/SFU rating calculations for a motor feeder..for example 50 kw.. not from type-2 cordination chart. i want manual calculations..

2189


What is domestic transformer? Draw the connection of domestic transformer.

1916


what are the tests comes under the type test, what tests comes under routine tests.

1098


What is stepper motor?

783


What are the components connected in between the power supply coming from an electric pole to HT & LT Panels in a large commercial building or how the power supply connected from Electric pole to Transformer & then to the HT & LT panels of a building? Please send me answers via mail, my id is yogiagarwal@gmail.com. If possible, please give a line diagram.

1629