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when we given 3 phase supply to ups system, but out put comes with 3 phase + neutral how it possible? pls explain.
3 8191what is meaning volt-hz ration,where is necessry tomaintain and why. specialy during increase the power of generator.
3 5792Do any one know exacatly when the results for NHPC held on 8th march 09 for engineering trainees will be released ?. if so please post it, i'm eager to know it.
NHPC,
2117In industries Power factor is maintained by installing a suitable KVAR bank, How is the PF maintained for domestic use, where is the capacitor bank connected
3 6583Post New Electrical Engineering Questions
th how could we differentiate between armoured copper and armoured aluminium cable what is the basic application? why we prefer the armoured copper as compared to armoured aluminium.
how to read idmt curva
I want formula to calculate current loss with distance in km.I searched many sites but didn't right answer.Plz reply me
-What should be minimum value of insulation resistance and maximum value of earth resistance at any electrical instillation and what is method of testing the same.
Pls Breifly explain about UPS (Inverter,Reserve,Rectifier,Float voltage,Boost voltage).
What are the material used for resistor?
IN dc capacitive reactance is??
I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com
How much load can be taken for chiller from 1500 kva transformer
i want to know that how the height of Ct ,cvt ,LA calculated on the basis of creepage distance
explain the function of brush less dc motor?
What is the formulae of Megger value for a A.C.Motor
How to decide and select the different earthing wire size for the different types of earthing
What is the range of the stator resistance of 3 phase induction motor?
what things to be considered when designing UPS
