Short circuit calculation Q&A


1.       What is short circuit calculation
2.       Why the name short circuit
3.       In academics how the short circuit calculation is done
4.       In ETAP software, how we do the calculation
5.       Fault current at
a.       415V
b.      6.6KV
c.       11Kv
d.      33KV
e.      132KV
f.        220KV
g.       400KV
6.       What is the difference between fault current and fault level
7.       What is symmetrical fault and unsymmetrical fault
8.       Even though LLL fault is most severe, why do we calculate LG fault
9.       What is symmetrical components method
10.   Why we have to do fault calculation
11.   How we do fault calculation
12.   When fault occurs, if it is not cleared, what will happen
13.   Who supports fault current and who limits the fault current in a system
14.   During cable sizing, why fault level is required to consider
15.   Isc x root (t)/K is the formula for cable sizing during consideration of fault level, here what is t and K
16.   What all the services does PRDC-Bangalore company provides
17.   What services does   ABB-Power systems division will provide
18.   What services does GE-hyderabad office provides
19.   List the power system studies companies in India

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