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 }

to vary valtage from 0 - max a variac is necessary . so how to design for high power applications nearly about 200KW power


what are the interview question asked in wind mill about electrical


how solar power plant energy meter multiplication factor


Single phase and threephase power calculation


What is contract demand in solar system?


Distribution transformer we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral,we can not connect separate body earthing pit to other earthing pit but we do metal glanding in secondary side cable termination in both side, transformer and PCC panel (LT Panel), is this safe for transformer and other equipment?


what is the difference between active power and reactive power and apparant power in practical as well as theoritical


Is there any relevant technique to produce power from light and heat energy of the sun simultaneosly from same rays of light?


What is dynamo function in DG sets and draw block diagram?


What is Load sharing of Transformer ?


does not the circulating current in a transformer affect the flux distribution in the transformer core


How can we decide cable size from HT panel to Transformer? Please give you reply with some examples.


can you send me the placement papers of electrical engg. from companis like NTPC,DRDO,IOCL,HPCL,BPCL etc.?If,plz send as soon as possible.Thanks.


how to design the heater in temperature control unit to heat 50KL of water?


what are the industrail measures to over ferranti effect? how would the ferranti effect the power system if those remedial mearsure arent taken? how often does this effect occurs in real power system?