How can we calculate the fault level of the distribution
system knowing the percentage impedance of transformer &
subsequent equipments.
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Answer Posted / pankaj
THERE IS A SIMPLE CALCULATION IF ASSUMING INFINITE SOURCE
BUS THE MAX LEVEL OF FAULT AT LT SIDE OF A 11/0.433 5%
1000KVA TRANSFORMER CAN BE CALCULATED AS:
KVA*100/SQRT3*433*Z% kAMPS
1000*100/1.732*433*5 = 26.7kAMS
| Is This Answer Correct ? | 39 Yes | 7 No |
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