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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

We are using 3core 11KV HT cable for same phase for generator outgoing, the cable leakage current is high and cable heated overly what is the remidy, if we use the 3core cable for 3phases the problem is solved are not?

1 4277

why the star delta motors burn out frequently

1 3946

In control room of our one plant there is a continuously the incoming power goes to PC is vary,means in stabilizer it continuously indicate from high input to low and low input to high. what is the reason and its solution.

1974

why the generating / transmitting voltage is in the order of multiples of 11(ie 11kv,22kv,33kv......)

1 4712

How does a system control centre in a utility plant gets the grid frequency of the electrical network (50 Hz or 60 Hz)by the SCADA system?

1 2606

What is the difference between an ELCB and a RCD?

Schneider,

2 7165

What are the advantages and disadvantes of delta and star connections in transformers and alternators?

3 17492

why voltages are multiple of 11 or 1.1???describe with derivation plzzz.thanks

2 6140

1 ton AC takes how much current( starting & stable)

15 102007

what is power frequency withstand and impulse withstand of a circuit breaker?

Power Grid,

2 23179

why low pressure side of the turbine is connected to the alternator and not the high pressure side??

1 4479

what will happen if delta - star , 400V to 6.6KV step up transformer neutral is not grounded, Neutral is not used but transformer is provided with neutral.

2 6447

why rating of alternator in kva & induction motor in kw

Siemens,

9 19644

What is VVVF Drive ?

3 25125

What is the typical power circuit configuration of a VVVF Drive ?

1 4781


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What is the practical way to calculate the cable size for known ampere load?

1435


What is essential to prove safe isolation of electrical circuit?

1075


Which type of transformer is used for lighting loads?

1136


which is the most advanced form of SF6 BREAKER?Can we use other gases to quench the arc?

2046


How to design a Unit auxiliary transformer for a power house having a unit of 65 MW and Generating voltage of 11 KV and Secondary voltage of 433V

2137


I WANT YHE TECHNICAL AND ELECTRICAL SPECIFICATIONS OF 2x4MW 11KV 2x10MW 11KV 2x25MW 11KV 2x100MW 11KV HYDEL POWER PLANT i.e PROTECTION SYSTEM,MONITORING,CONTROL SYSTEM,GENERATION,SYNCHRONISATION,METERING PLEASE SEND THE DETAILS TO MY MAIL ID SPRAVEEN_222@YAHOO.CO.IN

2095


i want to know that how the height of Ct ,cvt ,LA calculated on the basis of creepage distance

2614


If the earth is a good conductor of electricity, why don't people get shocked every time they walking on earth?

1813


What are the advantages of autotransformer?

1219


Why ground terminal is used in pot meter 10k ohms

1888


Dear Respected sir how to test ABB REX521 protection relay by relay tester.

2747


what is the vvvf in the dumbwaiter?? or lift. what is the actual process?/

2093


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

2093


state types of reflectors in illumination engg. ???????

1941


Is there any Institution for giving M-tech in Electrical engineering for those who r in service? Give the details please.

2070