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 Categories >> Engineering >> Electrical Engineering
 
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Question Asked @ Answers Views     Select
What are protection of transformer on HT side & on LT side?    3  3889
What is the difference between eath fault protection & Restricted Earth fault Protection?    1  781
1.what is use of isolation transformer. 2.Differance between KWH,KVAH,KVARH,KVA. 3.Main use of the CT and PT.    1  2819
why lightning arrestor are made in two stack of insulator but why not cvt    0  175
what is the voltage equation of 240/12 v transformer??    1  685
if we use a normal natural thundering; than approx how much amount of electricity we generate? visa-steel   0  171
How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)? hal   0  172
Is it possible to use AC supply insted of DC supply in trip coil operation? if not, why? hal   5  861
Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system. hal   0  157
For what purpose an AVR in generator sensing generator output voltage?and how the sensing is done by AVR?    3  2260
what is the working principle of energy saver control panel. please give the complete calculation & theory. lupin   0  393
what is creepage distance    2  3579
How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased.    0  297
megger how much voltage will produce ?    4  1333
cable selection formulas for electrical load. bhel   1  2498
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Un-Answered Questions
 
 Question Views   Select
 
defination of controlled shunt reactor 303
how copper and aluminium wires or cables are choose for current rating? please provide copper and aluminium wire selection chart for different current rating ? 214
why phase plates are used in transmission line???? 57
If we have to find the inductance of a dc shunt motor then by giving dc supply or ac supply and what is the reason for it. (this example is from "to determine the transfer function of a dc shunt motor ") 129
what is the differation bewreen kwh & fundamental kwh in electronic trivector meters 190
Arrangement of earthing materials.like what we put first charcol,then salt.then plate. Plz answer me about that. 17
how does ELR works? explain 198
why on axial hitting up of air blast on hydrogen produced in oil circuit breaker,temperature rises of the core of the arc? 121
distribution is maximum done by a)radial b)network c) parallel d)b & c 168
To make a basic instrumentation amplifier, it takes A One op-amp with a certain feedback arrangement B Two op-amp and seven resistors C Three op-amps and seven capacitors D Three op-amps and seven resistors 78
what is encoder & its use? 159
what is the reason for indication of light in the earth lamps of main switchboard.if there is an earth why does one lamp get dim and the other two bright. 149
Why is a synchronous motor always star connected?? 314
What will happen if a dc source is given to a tubelight. Will it work or wont it work.... 178
WHAT IS START TO INDUCTION MOTER IN STAR TO DELTA OF >5HP ? 110
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