TO operate transformers in parallel, vector symbol of the both should be same.If one transformer name plate is not there, how can we conclude that whether the transformer is having the same vector symbol or not?
4 Electrical Engineering 6173In 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 Electrical Engineering 8332
3. What is Impedance Voltage in Transformer?
Answer
Is This Answer Correct ? | 287 Yes | 23 No |
Question { 28155 }
What is the difference between body earthing and neutral
earthing?
Answer
Is This Answer Correct ? | 61 Yes | 4 No |
What is the difference between AMF panel and DG
Synchronization panel? please define the working of both
the panels?
Answer
Is This Answer Correct ? | 85 Yes | 10 No |
how to calculate AH of a battery?
Answer
Is This Answer Correct ? | 8 Yes | 2 No |
Question { 5978 }
In a Dyn11 transformer, how are the 3 windings of the delta
connected? Assume that R1-R2, Y1-Y2, B1-B2 are the 3
windings on the HV side.
Answer
Is This Answer Correct ? | 6 Yes | 5 No |
keeping in view of parallel operation which of the 3 phase
transformer connection are possible?
a)delta-delta to delta-star b) delta-delta to star-delta c)
star-star to delta-delta d) delta-star to star-delta
Answer
Is This Answer Correct ? | 16 Yes | 10 No |
Question { 13279 }
What is the recommended voltage gap between Live and Earth
and ,Earth and Neutral.If these are exceded what is the
solution.
Answer
Is This Answer Correct ? | 15 Yes | 2 No |
Question { 2628 }
why we connect dg neutral with ground?
Answer
Is This Answer Correct ? | 0 Yes | 0 No |