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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

wht do u mean by constant flux linkage theorem ?

3 17685

when running 2 nos 450kva dg sets in parallel operation ,in one Dg set power factor and Kvar going to lagging and ampere suddenly going high,please give me suggestion to correct the same.

2 5008

How to Calculate the current drain in the battery (1.4V) for the 2mins time period?

7 5002

Why does the phase voltage of two healthy phases become equal to the line voltage in case of an ungrounded neutral 3 phase star connected sytem when a single line to ground fault occurs ?

2 3977

what is the best electrical system i.e substation sytem of 11kv/.433kv for a township. if township have 300nos substation of 11kv. we have to go G.O.D.O. fuse unit or Compact Substation Unit. please reply Asap.

2 3545

WHY LINK NOT A FUSE IN AC CIRCUIT

3 3990

What is the Different between CT Class-0.2 & Class-0.2s ?

3 34422

what is impedence in transformer

2 3086

How to Calculate IKW(input kilowatt)of a Chiller plant

Voltas,

2 22553

Whats parameters which we keep in mind when grounded any electrical machine.

Essar,

1 2175

domine+aptitude test means?

2 2838

What happen if 1200KW/1500KVA alternator runs at no load and high R.P.M.for one minute?

6 8867

I BOUGHT A HAVELLS ACCL WITH GENERATOR STOP FASCILITY(i.e- BASICALLY IT IS A AUTO CHANGE OVER SWITCH) FOR MY HONDA EXK 2000S HOME GENERATOR (WHICH START IN PETROL & RUN IN KEROSENE). ACCL HAS 8 POINT. 2 FOR MAINS(PH & NUE), 2 FOR LOAD, 2 FOR GEN AND 2 FOR IGNITION POINT(X1 & X2). THE IGNITION POINT IS SPECIALLY FOR AUTO ENGINE STOP WHEN MAINS POWER RESTORE. I CONNECT THIS X1 & X2 POINT TO THE GENERATOR STATER MOTOR & EARTHING POINT. BUT WHEN MAINS FAILS THE GENERATOR COULD NOT START, BUT WHEN DISCONNECT THOSE X1 OR X2 POINT, THEN THE GENERATOR START. BUT WHEN MAINS ON THEN THE GENERATOR SHOULD START, AND WHEN I OFF THE MAINS THE GENERATOR AUTOMATICALLY STOP. PLESE HELP ME HOW I STOP THE GENERATOR AUTOMATICALLY WHEN THE MAINS RESTORE.

Honda,

2 9042

what would be the earth to neutral voltage in industries? if it is not main Taine then what will happen?

4 3288

what happen if generator of micro hydro running at only a small percentage of its capacity, as a comparison, if the diesel generator that runs on only a fraction of its capacity there will be a wet stacking

983


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Un-Answered Questions { Electrical Engineering }

What is the effect on 3phase induction motor if current setting knob of DOL kept at minimum current?

2652


Explain the operation carried out in thermal power stations?

181


How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

1044


why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?

1885


please describe the Transformer setting, Motor setting, I/C setting, Tie setting

823






i am going to correct power factor of 1600kw induction motor,when i calculate capacitance of capacitor it is three time more in star connection than delta. if motor is star connected which connection i shall adopt for capacitors and reason for adopt this connection

1014


what are the things that can cause a three phase motor to crawl?

2240


What are the transformer losses?

176


what is effect of leading power facter on the system and billing

1310


how we can calculate 2 phase welding transformer rating or total power?

964


What is a advantage of Self Reset Lockout ? On Fault breaker get trip & fault no longer exist then self reset lockout how inform us?

768


rajha power sector details

1095


what is transistors comprised of?

202


can any one provide me a connection wiring diagram for a DG set control panel along with BOM?

1256


What will be the current if the resistance total in a series circuit doubles?

194