what is the power of a motor
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What is the power consumed by a 50 hp motor at no load condition ? Many people say the following: :With a motor with an output of 50 HP, to convert the HP output into Watts is: 50 HP x 746 Watts/ HP = 37,300 Watts or converting to kiloWatts (kW) = 37.3 kW. A motor of this size probably typically has an efficiency of 90% to 93% (0.90 to 0.93). For our purposes, assume the motor has an efficiency of 92% ( or 0.92).
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- Types of Motors: Electric motors are the most common device for converting electrical energy into mechanical power. The type of power supplied and mechanical requirements of the application are factors that must be considered when choosing which type of motor to use.
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electric motor Noun. 1. electric motor-a motor that converts electricity to mechanical work. armature-coil in which voltage is induced by motion through a magnetic field. brush-conducts current between rotating and stationary parts of a generator or motor. electric drill-a rotating power drill powered by an electric motor.ield magnet-a magnet that provides a magnetic field in a dynamo or electric motor. motor-machine that converts other forms of energy into mechanical energy and so imparts motion.
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DC Motor and Controller Primer A DC motor is an electric motor that runs on DC current. They are commonly found in applications as diverse as industrial fans, blowers and pumps, machine tools, household appliances, power tools, disk drives, and many more.
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A Presentation On Working Principle Of D.C. Depending upon the source of electrical energy, there are two types of electric motors: A.C. Motors: Motor that converts alternating current energy into mechanical energy is called A.C. motor. D.C. Motors: Motor that converts direct current energy into mechanical energy is called D.C. motor.OWER LOSSES IN A DC MOTOR. The basic function of dc motor is to convert electrical energy into mechanical energy. Whole of the input energy is not converted into useful output energy but a part of the input energy is converted into heat and the same is lost.
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- Power and Torque - If that constant 100 lb. tangential force applied to the 12 handle (100 lb-ft of torque) causes the shaft to rotate at 2000 RPM, then the power the shaft is transmitting to the generator behind the wall is 38 HP, calculated as follows: 100 lb-ft of torque (100 lb. x 1 foot) times 2000 RPM divided by 5252 is 38 HP.
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Power Factor Three-Phase Electrical Motors 1 Active (Real or True) Power is measured in watts (W) and is the power drawn by the electrical resistance of a system doing useful work. 2  Apparent Power is measured in volt-amperes (VA) and is the voltage on an AC system multiplied by all the current that flows in it.
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Frequently Asked Questions If you are unable to pay your balance in full immediately, you may qualify for a monthly installment agreement. To request an installment agreement, use the Online Payment Agreement Application (OPA) or complete Form 9465 (PDF), Installment Agreement Request, and mail it to us. If you have filed your tax return and cannot provide full payment after receiving a bill from the IRS, you may request an installment agreement using the Online Payment Agreement Application (OPA). 2  You also may submit Form 9465 (PDF) or attach a written request for a payment plan to the front of your bill.
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DC motor DC motor. A DC motor is any of a class of rotary electrical machines that converts direct current electrical energy into mechanical energy. The most common types rely on the forces produced by magnetic fields. Nearly all types of DC motors have some internal mechanism, either electromechanical or electronic, to periodically change the direction of current flow in part of the motor.
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Working or Operating Principle of DC Motor Under Electrical Motor A DC motor in simple words is a device that converts direct current(electrical energy) into mechanical energy. It’s of vital importance for the industry today, and is equally important for engineers to look into the working principle of DC motor in details that has been discussed in this article.rom the 1 st diagram we can see that the construction of a DC motor is such that the direction of current through the armature conductor at all instance is perpendicular to the field. Hence the force acts on the armature conductor in the direction perpendicular to the both uniform field and current is constant.
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Starter Motor. Amps? Screech should check if the pinion gear and shaft will turn around freely. A starter motor from a normal 2 Litre petrol car draws between 60 and 200 Amps when turning over the engine when the oil is warm and thin. Under winter conditions, this current can easily double when the oil is thick.
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Calculations The consumed electrical power of the motor is defined by the following formula: Pin = I * V. where Pin – input power, measured in watts (W); I – current, measured in amperes (A); V – applied voltage, measured in volts (V). Motors supposed to do some work and two important values define how powerful the motor is.
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What is the function of an electric motor, and what benefits does it have? An electric motor is an electrical machine that converts electrical energy into mechanical energy. The reverse of this would be the conversion of mechanical energy into electrical energy and is done by an electric generator.
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-    1 watt might equal 1 VA for a resistive load, but for many types of  load, especially induction motors, the power factor is lower,  usually about 0.75 so that 1 VA equals 0.75 watts.
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- Motor loads cause difficulty because a. motor draws high current when started. at full voltage. Starting current is typically. six times a motor’s rated full-load current, and this inrush current stays high until the. motor reaches about 75 percent of rated. speed.
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Watts volts and amps? Volts is a measure of the electromotive force or electrical pressure that you battery is capable of producing. The more volts you have (pressure) the more work you can do with it. To test this out, take a standard motor (say, a Speed 400) and attach a 7.2V battery to it and note the sound it makes.his means that the power consumption of this 300 WATT motor is 290 WATTS which is close to its limit. But the power output is somewhat lower than this figure. Let us take another case: An UNGER running on 7 cells with a 9 x 6 prop fitted draws 20.7 AMPS Therefore 7 VOLTS x 20.7 AMPS = 144.9 WATTS power consumption.
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Power (physics) For other types of power, see Power. In physics, power is the rate of doing work. It is the amount of energy consumed per unit time. Having no direction, it is a scalar quantity. In the SI system, the unit of power is the joule per second (J/s), known as the watt in honour of James Watt, the eighteenth-century developer of the steam engine.
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How much power do I need? 1 Amps (A) - Indicates the amps required to RUN the electric motor but doesn't consider STARTING or LOADED power requirements. 2  Phase (PH) - Honda Generators can only power single phase motors. 3  Horsepower (HP) - Rating of how much work an electric motor can perform.  Code - This isn't always provided on the data tag.
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The Electric Motor Video (1 minute): Strength of a motor: The strength of the motor (torque) is determined by voltage and the length of the wire in an electromagnet in the stator, the longer the wire (which means more coils in the stator) the stronger the magnetic field. This means more power to turn the rotor.
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- These motors can produce constant full-load torque from 100% of base speed down to 25% of base speed, after which the full-load torque must start to decrease. Most standard ac motors are designed to operate at a fixed, rated frequency and speed, such as 460 V ac, 60 Hz, 1800 rpm. At this fixed speed, the cooling system, which is usually a shaft-mounted fan, will keep the motor from overheating.
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- An electric motor is a device that turns electrical energy into motion, usually rotation. It changes electrical energy into mechanical or kinetic (movement) energy. This works using electromagnetism. A loop of wire containing a current is passed through an electromagnet's magnetic field.
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Understanding DC Motors The gearing reduces the shaft speed and increases the torque. When the motor leads are connected to a source of DC power, the shaft spins. Small motors run best at a preferred voltage, which is listed on the data sheet. Common preferred voltages are 3, 6, 12 and 24 Volts.
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Electric motor An electric motor is an electrical machine that converts electrical energy into mechanical energy. The reverse of this is the conversion of mechanical energy into electrical energy and is done by an electric generator. In normal motoring mode, most electric motors operate through the interaction between an electric motor's magnetic field and winding currents to generate force within the motor.
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Episode 218: Mechanical power You are here > Mechanics > Work energy and power > Episode 218: Mechanical power. Power is the rate at which work is done, i.e. the rate at which energy is transferred by a force. It is likely that your students will be familiar with this definition. They may also have studied power in an electrical context. Power = work done / time taken.
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- Electrical and mechanical power calculation (strength) Power Formula 1 – Electrical power equation: Power P = I × V = R × I2 = V2 ⁄ R. where power P is in watts, voltage V is in volts and current I is in amperes (DC). If there is AC, look also at the power factor PF = cos φ and φ = power factor angle.
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- Thrust. Trolling motors are rated in pounds of thrust. As a rule of thumb 72 to 75lb. of thrust roughly equals one horsepower or 746W of electrical power. A typical 12V motor that draws 60A consumes approximately 720W.