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I have 480V Single phase and I am trying to figure how big of a transformer (KVA's) and Primary breaker size I need to provide 200 Amps at 240V for a building.
1 2768what will happen when power factor is leading in distribution of power?
AMET, JTO, Power Grid,
10 23531In CDG type IDMTL realy O/L , E/F, O/C which are used for out going feedrs,on R-phase o/c element, Y-phase , e/f elecment and on b -phase o/c element will be connected . Why the earth fault on center phase only, why not on other two phases?
2 9346which fault is severe and why?between lll fault and lllg fault which fault is severe and y?
GE,
2508suppose generator rating is 50 kw,load is 25 kw,hw much d generator ll generate?what about d remainin power?
NHPC,
2 5487for 5KW resistive load can anyone please suggest me whether to go for UPS/Inverter or Generator depending upon cost calulations
2086I am designing new project sub station with 220 kV / 11 kV, 40 MVA capacity. This project have many recifier sets, which can generate 3rd harmonics. Now I have to select vector group of This transformer. To minimise 3rd harmonics, what care should I take in selection of Transformer Vecrtor group? If it is Y-Y with open Delta tertiary then what should be the rating & voltage of Tertiary Winding?
1871why we not connect the 12 V batteries in parallel to get the more backup supply for an UPS ? wheter off line or on line UPS ?
2 4796Post New Electrical Engineering Questions
Why star delta starter is preferred with induction motor?
state the disadvantages of carbon filament???
what is the circulate the diesel in DG in side pls tell parts name and picture with circulate the diesel
What is resonant frequency?
Where is servomechanism used?
What is pd controller?
i am gng to visa interview this july i have 4 backlogs gre 1010,toefl 75,pls give me the tips pls pls
In radial network the source is fed from 1 end both ends at central
how to test YNyn0 vector group in transformer?
What is the name of transformers oil filteration equipment?
how copper and aluminium wires or cables are choose for current rating? please provide copper and aluminium wire selection chart for different current rating ?
What is contract demand in solar system?
why do we have spikes enough to burn electronic boards, when generators are not grounded
any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?
dg earth connect only in the amf panel or not why
