What are the differences between single phase and three phase?
i am an maintenance engineer. one distribution board have 5 feeder. recently its ELR trips frequently, but it take some times after trip( 10min,20min..)but 3 feeder no load. two feeder only loaded. i checked one feeder IR value all values are above 50Mohm.but B phase to Earth is only 9Mohm.any problem about low value
we can run 2phase as 3phase .what will be the differnce with respect to phase angle, power, current between the two modes
defult setting in p220 micom motor proction relay for 11kv,640kw,f.l.a.-40a,1440rpm ht motor?
i ha done my 10th with 71% ,ITI with 81% 11th with 75% 12th 43% apprentiship with 71% in SAT i secure 1390 ,TOEFL 27 i was refused four times and in all me interview visa officar told that i am not Qualify for study in USA but i completed my 12th yes i got low persentage in my 12th but i seen to much student they already got visa with them 3 or 4 backlocs so why they are refused me ?
Can you please explain creepage distance in detail, for a 6.6kV cable head what must the distance be and how do you determine it?
can anyone show me how the 3 phase power is supplied to socket outlets?
what is harmonics? what are the factors it will depend upon
What id difference between power and energy?
WHAT IS IEC? & WHAT IS BENEFIT TO PRODUCT FROM IEC?
what is the use of expulsition protective gap in 11Kv line.
how to find out 3 phase complex power in per unit in unbalanced system?
How will polarity test of Dy5 Transformer ?
Where is servomechanism used?
In motors how many types of cooling systems were used?
