//Faults and Protection//
//Example 16.9//
printf('    Thus from the table we see at a value of circuit inductance 1.592mH,I^2t value of breaker is 4.9*10^5A^2s and selectivity between fuse and breakeris I^2tFuse/I^2t Breaker=4*10^5/4.97*10^5=1.01');
printf('\nAs this is just the border case we will go for the next value of inductancei.e,1.91mH.where selectivity=5*10^5/4.34*10^5=1.18');
printf('\nThus the additional inductance required is=1.91-1.273=0.637mH');