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Short Circuit Calculation


Step 1: Calculation of ohms per phase at system voltage

Power of Transformer,P1: kVA
Reactance of Transformer, XT: %, Assume all impedance is reactance

Output:

3.2000000000000006 ohms per phase at 0.400kV

 

Step 2: Calculation of total impedance

Refer to CP5 for voltage drop(mV/A/m) (Click to refer)

Resistance of cable, Rcable : mV/A/m
Reactance of cable, Xcable: mV/A/m
Cable Length: m
 
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