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3ø trans, 3ø faults
1ø trans, 1ø L-L faults
1ø trans, 1ø L-N faults
Procedures
Step 1 - 3ø trans
Step 1 - 1ø trans
Step 2 - Trans Multiplier
Step 3 - Let-thru Current
Step 4 - 3ø Fault Factor
Step 4 - 1ø L-L Fault Factor
Step 4 - 1ø L-N Fault Factor
Step 5 - Multiplier
Step 6 - Sym. RMS
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Step 4 - 1ø L-L Fault Factor
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Determine the Transformer Fault Factor
or
Courtesy of Cooper Bussmann
1
LENGTH
L
2
AMPERES
I
L~L
3
CONSTANT
C
4
VOLTS
E
L~L
Proof steps
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See also
Calculations
Determine the Transformer Fault Factor
Determine the Transformer Fault Factor
Tables
Correcting existing power-factor to desired power-factor
Definitions
Power - A-C Circuits
Power Factor
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