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Electrical Engineering Interview Questions
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all the technical question with answers pleas send your email id ramar_eee@yahoo.com

RRB,

1562

For polarity test on a 11/3.3kV 2.5MVA delta-star Unit Auxiliary transformer,415V 3-phase supply was applied at the HV. Connection between Aa was made with a 2.5mm cable. As soon as power was switched on the cable caught fire and burnt. This test was then abandoned. It is noteworthy to say that a similar cable was also used in a similar transformer for the same. The cable did not burn and test was successfully completed with good result. What is wrong? Please, help me out.

3 6434

how choose conductor &caple&wire depending upon the load

HCL,

2 5767

how choose conductor&depending upon load

Ford, HCL,

1425

how is choose &depending upon the load why?

HCL,

1 2906

What is IDMT relay how it works.

Electrotherm, Sulzer,

3 87737

advantage of cu cable over al cable

Havells,

4 9161

how current rating of l.t cable is find

GAIL,

2 5938

In the Variable Voltage Variable Frequency Drive, how the Voltage and Frequency varied ? Is it varied in the Inverter part of the Drive ? Please give us supporting document if any.

 1502

wat is syncronization . wat parameter will take for syncronization.

IIT,

2 4896

in our sub station why we step down firstly 33kv\11kv then 11kv to 430v. can we direct step down 33v to 430.v.

Eaton, Siemens,

18 36348

line diagram for mcb , mccb , rccb .

 1 8616

How feedback transformer works to feedback power in Slip Power Recovery System

 2 6668

When semiconductor fuse does save thyristor in each cycle of conduction? Why under voltage setting keep less in SPRS and more in DC drive?

 1625

FRIENDS, I am doing DEEE (part time)final year. Give me some ideas for project

HCL,

5 7992

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Un-Answered Questions { Electrical Engineering }

Let me know that how i calculate the alternator sub tranciant reactance and tranciant reactance.

2084

If I want to buy a new Xformer for my plant what are the main parameter will I need to check?

1427

how to check regenerative load in drived motor

1694

sir i applied for hpcl(electrical).i want to know from which subjects most of the technical que will b asked.and pattern of the written test.pls help me

1464

How to check the Bushings of the transformer?

1254




What are the advantages of speed control using thyristor?

635

what is buffer resistance starter.?.What is the working principle and where it is used..?

1553

What is Electrical Grade Aluminum for Tubular BusBars. i am confused between 6063 and T6 or T5 and what is BS 2898 and BS 159?

1408

what is mppt (maximum power point tracking ) and how they used in solar power generation ??? what are the main components used in mppt?????

2776

I AM A ELECTRICAL PANEL BOARD DESIGN ENGINEER.IF I GO ANY INTERVIEW ,TECHNICALLY WHAT ARE QUESTIONS I WILL FACE FROM INTERVIEWER?

12292

plz tell me,ht and lt panel terminals in substations explain beiefly

2325

how to calculate short circuit current for the busbar

940

How do i right a ladder diagram that has 1 actuator that performs a full stroke followed by a half stroke

1611

one conductor length is L.and i am strech uniformly this conductor and made length is 2L.so resistance of this strech conductor is R=4R..but i want to know about area of stech conductor hows it become a/2..

1671

what is meant by surge? what we called for high currents?

1479

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