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 3115

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

4 36028

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

6 15080

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

4 4877

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

1651

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 9972

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 5870

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

Bilt,

1 5395

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

1 8677

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

3 5674

how to calculate the capacitor rating for improving power factor

L&T, Property Solutions, Synergy, TAFE,

10 20363

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

Genpact,

13 23514

want to know about DMRC

4 7918

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

3 4121

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 3272


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Un-Answered Questions { Electrical Engineering }

What happen if we apply square wave or traiangular waveform voltage to the transformer primary winding instead of sinusoidal wave?

1632


will 1050kva DG set withstand for back charge of 16MVA transformer

1453


what should be the no load current for 3 phase ac motors ranging from 5 kw to 1000kw?

1369


what is meant by 3rd hormonics ?

1392


i applied for c licence with my one year apperents trainee and i have attaced with A grade contractor company experiance that is for 14 monts experiance this document is sufeicant for c licence? pls tell why they rejected

1690






how to calculate the power factor when instantaneous voltage and current has harmonics in it ?

1397


What are the effects of adding a zero to a system?

668


What are the types of power in electrical power?

712


how to calculate the no load current in transformer?

1969


Is it good to short Neutral and Ground in the PLC or DCS main Power supply. Pls give YES or NO with reasons...? Simarpreet

2039


What is the difference between the transmission line and distribution line?

655


how to commissioning the genset with amf panel?

1888


How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?

1468


what are the assumptions made in swineburne's test?

1682


What are the major reasons for balancing hydro-thermal mix?

676