Hi all,
I am working on my revision for the 2396 exam and wanted to see if someone brainier than me could advise, when completing the thermal constraints equation t=(k²*s²)/I² on a ring circuit do you input the ring for s² as (2*2.5)².
Example1 :
Fault current 211A
t= (115² * 2.5²)/ 211²...