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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 3812

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

4 38244

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

6 16903

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

4 6323

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

2128

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 11701

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 6889

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

Bilt,

1 6208

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

1 9592

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

3 6914

how to calculate the capacitor rating for improving power factor

L&T, Property Solutions, Synergy, TAFE,

10 23628

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

Genpact,

13 27484

want to know about DMRC

4 9249

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

3 5295

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 4401


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What is effect on in zone and out zone fault if CT chosen for phase side is Vk/2<5mA and Neutral side is Vk/2<15mA on REF protection of Transformer

2376


what is the differation bewreen kwh & fundamental kwh in electronic trivector meters

2203


why i can not use thimble on capacitor duty contactor

1358


If SFU is Switch Fuse Unit, What is the expansion for FSHF in Electrical Engineering?

2591


what is the difference between RMS & TRUE RMS VOLTAGE

2953


Explain about 3 phase motor fault current calculation with examples?

2946


Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?

1952


What will be the diameter of pipe between conservation tank and transformer

1928


Why auxiliary transformers are not connected in parallel in primary stations?

1426


In a 3 phase 4-wire system. For a 3.5 core cable if all loads are single phase and balanced, what will be neutral current? will it be sum of all phase currents? Or it will be zero? And if loads are unbalanced what will be neutral current?

1715


single phase power supply give to separate one steel coup with water, what reaction create

2086


What is earth?

2443


Draw a SLD of DG distribution up to main LT panel?

9485


Why the output of OP-AMP is always less than Vcc?

1913


please explain to me how to calculate current,voltage,resistance with formula??

1435