print("This program is to be used to figure out the circuit size for air handling units that have a power factor of '1' ") print('''formula for this involves heating kw=kva=1 P=IV*sqrt3 I=P*1000/V*1.73 Ibreaker=I*1.25 Enter values''') PF=1 V=480 total_kva=float(input("enter total kva")) I=(total_kva*1000)/(V*1.73) I_breaker=I*1.25 print("current is %s" %I) if I_breaker<20: print("Current with modifed percentage '1.25' is %s, you need a 20amp breaker" %I_breaker) elif I_breaker<30: print("Current with modifed percentage '1.25' is %s, you need a 30amp breaker" %I_breaker) elif I_breaker<40: print("Current with modifed percentage '1.25' is %s, you need a 30amp breaker" %I_breaker) else: print("Current with modifed percentage '1.25' is %s, Talk to Josh about where this should go" %I_breaker)
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