if 2500 KVA TRANSFORMER CAPACITY.33KV INCOMING HOW ARE AMPEAR PRIMERY SAID

3 Answers   Cipla,

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In 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 Answers  

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What will happen if I apply DC to AC transformer? please send detailed answer at habib_rahman_habib786@yahoo.com

4 Answers  

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hey guys i recently saw a long transmission line in which a sort of balloons in red and white color were hanging at each section.do u have any idea why are they kept for?

3 Answers  

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What would be the ratio of a Delta-Wye tranformer having 48000 volts phase to phase on the primary and 4160 volts phase to phase on the secondary?

5 Answers  

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wat s reactive power.... how could it be compensated.....

4 Answers   TCS,

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what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?

0 Answers   TNEB Tamil Nadu Electricity Board, Vestas,

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What is the meaning of capacity of a 63 Amps TPN MCB? Is it the per phase capacity or the totol capacity?

1 Answers   Mother Dairy,

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Using 11000V/433V,3 ph,50Hz,500 KVA, what is the maximum capacity of motor in KW that can be connected and started at a single moment? Also explain about any calculations and formulas used in deriving the same.

4 Answers  

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In DC motor,the field MMF is given by NI.N-no.of field winding turns,I-excitation and both are constant.Then how could the main flux decreases due to armature reaction.

4 Answers   Bhel, IBM,

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75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?

0 Answers  

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why sielent pole is used only in hydro generators and not in turbo generators

1 Answers  

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