Electrical Engineering Interview Questions
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Can we use both Electrical & mechanical interlock between tow breakers? if yes how, please explain


Can Anyone suggest the Standards (IEC or IS) for selecting copper current density?


our plant maximum demand has 500 kva.need to suggest me to maintained pf 0.98.how much capacitor bank will be connect to the supply line.

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How to calculate or formula to calculate rhe power in 2 phase system ??


The knee point of a current transformer is normally unique and known.So why in the nameplate of a CT they put the minimum value like this Vk> 400v.


What is the function of the generator exciter?


what is current overloading in stack


Railway Basic electrical engg technical question with answer

Indian Railways,

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What is the minimum distance to be maintained in between HT panel and LT panel and Instrument panel as per IEC and NEC standards?


Can we use 230VAC, 63A MCB for 120VAC, 63A supplied heaters load?


Application of statically induced emf


Why we make earth connection with Transformer Body and What will be the minimum size of copper wire as per code with respect to KVA rating of Transformer?


What is formula of capacitor for 1-phase power connection.how to improve PF. Suppose I want to connect capacitor in refrigerator to reduce power consumptions.


What are the no-load losses for the 11000/415V transformer with the following rated capacity? 1.1500 kVA 2. 2000 kVA 3. 2500 kVA 4. 3000 kVA


when ID fan will immediately stop through VFD what exactly cause and problem the ID fan


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Un-Answered Questions { Electrical Engineering }

when it is possible kvrah lead & fundamental kwh be equal in electonic trivector meters (3 ph)


If a 3 phase induction motor is in off condition in the conveyor and rotor of the motor keeps moving with the conveyor than the resistance of windings of motor varies. why is it so ??


how to calculate


Is a d.c.compound motor is use as a booster? how?


what does vector group Dyn11 tell us? also tell me how will u differentiate between phase lead and phase lag thru this vector group


how to setting voltage RTCC panel


why in a swquence network representation, the negetive sequence generated voltage is taken as zero?


Installation resistance for whole installation of 16 kva & 25 KVA DTRA a) Between each conductor b) between conductor to earth c) installation resistance for each apparatus, each conductor to earth d) earth resistance for the system of earthing


how much leakage current is allowed in MC61A L&T make relay?


How to reduce the static electricity producing in solvent room? By P.D.Patil BioCon


can any one suggest paper presentation topies for electrical engg?


what are the specifications we must look at to select a relay for any capacity motor?


Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.


witch pump used in wtp


am commissioning the trafo without connecting the neutral therefore unbalance will occur what is the alternative solution for this?