Let us assume that motor is operating at full load so it will consume 7.5 hp or 5.59 or 5.6 kW approx. Let us assume motor has efficiency of 90 %, motor at full load gives around 90 % efficiency, so the power input to motor is 5.6/0.9=6.22 kW. Energy consumption in 2 hrs = 6.22×2=12.44 KWh or 12.44 unit.
How much electricity does a 10 HP motor consume?
A 10 HP motor consumes 7.46 units in an HR. , former Retired Assistant Engineer in HMT Ltd. If it is a 3 phase motor it works on a voltage of 415 volts and 15 HP means it will be 15×746 watts =11190watts, and it draws a current of 11190 ÷415 =26.96 amperes, at full load.
How much power does a 5 HP motor use?
Output mechanical energy: 5 HP X 746 Watts = 3,730 Watts or 3.73 kW. As the output mechanical energy is the result of the motor performing at 80% efficiency, the power consumed by the 5 HP motor will be 3.73 kW X 100 ÷ 80= 4.66 kW.
How much power does a motor consume per hour?
1 unit = 1 kilowatt-hour, i.e. when an electrical appliance consumes 1 kilowatt of power for one hour. So, 0.5 HP for 8 hours = 373 × 8 = 2984 Watt-hour which is equal to 2984/1000= 2.984 units. 4 motors consumes = 2.984 × 4 = 11.936 units in 8 hours.
How much electricity does 1 hp motor consumes per hour?
Here, we have a 1 HP motor. So, 1 HP for 24 hour = 746×24= 17904 Watt-hour which is equal to 17904/1000= 17.904 units. Hence, 17.904 units of Power will be consumed by the 1 HP motor when run continuously for 24 hours.
How much electricity do motors use?
The annual energy cost of running a motor is usually many times greater than its initial purchase price. For example, even at the relatively low energy rate of $0.04/kWh, a typical 20-horsepower (hp) continuously running motor uses almost $6,000 worth of electricity annually, about six times its initial purchase price.
How many watts does a 7.5 hp motor use?
According to the University of Wisconsin, one horsepower equals 746 watts. Since you have a 7.5 horsepower motor, multiplying 7.5 by 746 results in 5,595 watts of power being consumed.
What is full load current?
Definition of ‘full load current’
A full load current is the largest current that a motor or other device is designed to carry under particular conditions. A full load current is the largest current that a motor or other device is designed to carry under particular conditions.
How much power does a 1.5 HP motor use?
1.5 hp = 1 kw =0.3 kwh for 20 minutes per day. Thus the energy required per day is = 1.119/3 = 0.373 kWh.
How do you calculate power consumption?
To calculate power consumption of any appliance, you have to multiply it’s wattage by the number of hours it is being used (operational hours). For example, a 1000 watt electric iron running for one hour will consume (1000 watt X 1 hour) 1000 watt hour or 1 kilowatt hour (kWh) of electricity.
How much power does 1.5 ton AC consume?
As a general rule of thumb, for AC power consumption calculation you should take, 1 ton of cooling = 1,000 watts. 1.5 ton of cooling = 1,500 watts.
How many units is 1kw?
100 x 10 = 1000 Watt-Hour = 1 Kilowatt-Hour (kWH) = 1 units (on your meter).
How do you calculate power consumption of a motor?
Calculate the power the motor consumes while in operation. The equation is W = AV(sqrt 3) where A is amperes, V is volts, and sqrt 3 is the square root of 33 (about 1.73). W is the power consumption in watts. For example, if the electric motor uses 50 amps at 240 volts, the wattage is 50 x 240 x 1.73, or 20,760 watts.
How much electricity is consumed if I run a 1 hp motor in 3 phase for 1 hour?
Electrical Input Power = (Output Power/Efficiency). Assuming 90% efficiency, Input Power = 0.746/0.9 = 0.83kW. So, the consumed units of electricity = Power in kW X numbers of hours of operation = 0.83 units (assuming the motor is running for an hour).
How much electricity does a 1 ton AC use?
cooling capacity of 1 ton is equal to 3.517 kW of power. =1.5*3.517/2.7=1.954 kW.
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