// To determine the rated normal current , breaking current , making current and short time rating (current) clear clc; In=1500; mprintf("rated normal current=%.0f amps\n",In); Ib=2000/(sqrt(3)*33); mprintf("breaking current=%.2f KA\n",Ib); Im=2.55*Ib; mprintf("making current =%.2f kA\n",Im); Is=Ib; mprintf("short time rating for 3 sec=%.2f kA\n",Is);