1. Doubling Effect
2. REF SEF
Voltage 11000--------433
Current 165--------------4200
Fault Current = (Primary Current *100 ) / % Z
= (Secondary Current *100 ) / % Z
Secondary Voltage
11000 433
New eg 415V through Variac ----------x
x= 433*415/11000
x= 16.335V
Current
Voltage --- Current
11000------165
415V ------- x
x= 165*415 / 11000 = 6.225
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