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Power Grid Electrical Engineering Interview Questions
Questions Answers Views Company eMail

1.Why hydrogen used for cooling in generators 2.Why electrical equipment protected by ground 3.Why earthing for transmission line 4.What is rms value of half wave rectified square wave. If Rms value of actual wave 2amps.

1 2088

1.what is the contact resistace of CB ? 2.radioactivity should be mesured with---------?

3 4813

what is STUB protection in tranmission system and switch yard area?

9 66928

what is the difference betn earthed and unearthed cables which is commanly used why?

2 5779

What is the difference between AMF panel and DG Synchronization panel? please define the working of both the panels?

3 30071

which electrical supply used for long distance traction 1.1-ph 22kv a.c 50hz 2.2-ph 22kv a.c 50 hz 3.dc vtg 4.1-ph 22kv 150 jhz

3 3935

name the famous power plants present in A.P

1 1633

what will happen when power factor is leading in distribution of power?

10 18503

what is the order of mgnetiation current in a current transformer of 1000A/1A ratio?

2 3981

can we connect both delta and star to the transformer secondary and for what reason?

5 6679

How would you supply a single house hold load from a 3-phase supply coming out of a sub-station?

4 6370

How would you supply power to a village which is very far from a sub-station and has only a 11k?

4 6069

diff.between servo motor and ac motor


What happens if the capacitive reactance of a transmission line is very high?

5 12555

What is R/X ratio? I have heard that this ratio is higher in a radial distribution system.Why is it so? I would appreciate a word. Thank you

1 18831

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