5 HP MOTOR WOULD CONSUME ENERGY OF 1342800 JOULES IN AN HOUR.
EXPLANATION :-
1 HP = 746 WATTS
THEREFORE 5 HP = 3730 WATTS.
= 373O Joules/sec (since 1WATT= 1 Joules/sec)
=3730 x 3600
= 13428000 Joules/ hour.
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A 7 HP motor running at its maximum mechanical power output would produce 5.21 kilowatt-hours of mechanical energy each hour, and it would consume about 6.1 units of electrical energy per hour assuming an 85% conversion efficiency.
A 100 horsepower electrical motor would consume 74,600 watts.
It has to use alot of energy
1 hp equals 746 watts. The question confuses energy and power.AnswerYou do not 'use' power. Power is the rate at which you 'use' energy. Your question is rather like asking, "How many miles per hour do you do in one hour?"
A dc motor running on a potential difference of 25 volts draws 9.8 A. It lifts a load of 48 pounds 12 feet in 5.5 seconds. How much work does the motor do? How much power does it deliver? How much poser does it consume? What is its efficiency?
It varies tremendously depending upon the size of the fan and the power of the motor. The best way to answer your question would probably be to look at the back of the fan, or on the bottom. It usually will tell how many watts the fan draws. If it only tell amps and volts, remember that watts = amps X volts. Remember that watts does not have a time component; so to say that it draws a certain number of watts in an hour is not correct. You should rather ask, "How many watt-hours does it consume in an hour?" That is the number of watts times the number of hours that it drew that number of watts.