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What is the differance between negative dc voltage and positive dc voltage because some circuit uses -24,-5,-12,- 15,volt dc supply
eLab, Hero Honda, NTPC, Suzlon, Teradyne,
10 37167hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.
2966In step down transformer (415/200V),mistakenly secondary side is connected to 415V for some hours, what would be result of this condition?
Essar, GAIL, Vizag Steel,
19 29361In any Industry, Which voltage level either 3.3kV or 6.6KV to be chosen? Then I would like to know ,Is there any cost consideration or Rating of motor?
5 11351what r the advantage of selecting micro controller type tripping of circuit breaker than relay type tripping?
BARC,
5 9221Post New Electrical Engineering Questions
How to choose size of the cable w.r.to current carrying capacity ...
What is resolver and glass scale in CNC how they work?
apti mainly on logical reasoning, verbal and non-verbal ability (70 percent) and remaining technical. I was in ee but technical had mech ques like on turbines and welding.
hello friends.. I have a doubt regarding the operation of dc machines.. I studied in a text book that a dc machine can be used as a generator and as a motor.. is this possible? If so,please send me the info about this topic.. you can also send your info to my mail.
what is the difference between delta delta and star delta connection transformer? why we use delta delta transformer since it need earthing transformer for grounding?
why we used dc supply for field in dg set
How much current will a 5 HP delta connected motor at no load will take?Is tat need a starter
how to electrically make connection to ferroli GN2N?
Assuming that a dedicated neutral earthing transformer is provided for each GT generator, when the two generators are running in parallel, has consideration been given that the earth fault current from one generator stator winding be split between the two neutral earthing transformers? If so, what adverse impact will this have on the operation of the 59N and 27TN devices?
What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?
Difference between HRG and NGR. Are they both the same thing
Which thing is maximum in RLC circuit at resonance a)power consumption b)inductive current c)capacitive voltage
Why we are using Isolation Power Transformer inplace of commercial power transformer? What's the difference between them?
How to measure current and voltage in an ELV circuit
In radial network the source is fed from 1 end both ends at central
