Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Transmission line design. Say, I have a 1MVA generator and 2 transformers that will have the same load. What would be the proper rating of the trasformers? Is it safe to say, that I will simply divide the total rating of the generator?

1 1913

what composit error,ratio error,phase error in CT and PT??

4 27057

Why Aluminium wires are used for High tension(HT) lines? 11 KVA/32KVA & aboue

6 11545




srij i need the relationship b/w KW AND KWH and with an electrical example. plz send if u can?

4 2992

What is the percentage loss for aluminium wire for HT line more than 11KVa

878

When charging a 20 MVA , 33kV/6.6kV transformer through regulated (0-6.6 kV or 0-33 kV) source on no load , what will be the maximum current drawn by transformer from source and what sould be the source capacity.

TATA,

5 7244

I am working on a 11KV system with fault current of 40KA for 1 second. I have selected 2500MVA 11/0.433KV transformer. How can i find the impedance value for this transformer? Please help me.

PPL,

2 3875

what is short circuit force ? How to calculate it for Panel?

Bilt,

1 3937




what is the difference between high impedance REF & REF, same high impedance differential protection & differential protection for Power transformer?

1 6951

to improve the existing power factor whether capacitors have to be added in series or parallel.and why

3 3904

how to calculate the capacitor rating for improving power factor

L&T, Synergy, Property Solutions, TAFE,

10 14770

why earthing is not required on transformer prymary winding side ???

Genpact,

13 16847

want to know about DMRC

4 5705

why the amount of voltage generated at power generating stations is 11 KV only....?

3 2278

In a company has been installed an analog amperemeter, this company was suplied by generator X, there is no problem in the ampere meter, rigth now this company's supplied by generator Y then the pointer in amperemeter vibrating. What happened? Why? Thank's

2 1705


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Un-Answered Questions { Electrical Engineering }

what is lumped and distributed elements?

710


How to calculate multiplication factor in kva example 500kva ans pls ?

360


When will you multiply and devide with derating factors to the actual value while sizing the cable?

681


What is the difference between Encoder and Resolver?

1767


how to calculate

294






Difference between Lugs and Thimbles

4526


how to calculate the battery AH

1419


what will happen if multimeter(selector switch at DC voltage) and terminal at current is connected to DC supply?

760


how ceiling fan worked?

683


Why we use duplex coil and hook switch in telephone system?

3185


what is the working principle of a DG Set, Alternator, & exiter

8713


what is the basic construction diffrance between servo motor ans sqiralcage induction motor

1165


What is the working principle of servo motor? And explain it.

465


What will happen if the armature resistance is in minimum position and the field resistance is in maximum position while starting the motor

164


how to find motors H.P. whout any rating? (only give you a motor and multimeter)

2758