For an electrically driven motor, the output power is mechanical while the input power is electrical, so the efficiency equation becomes efficiency = mechanical power/electrical input power.
How do you calculate the power output of a motor?
By taking the voltage and multiplying it by the associated current, the power can be determined. A watt (W) is a unit of power defined as one Joule per second. For a DC source the calculation is simply the voltage times the current: W = V x A.
What is the output power?
In physics, power is the amount of energy transferred or converted per unit time. … The output power of a motor is the product of the torque that the motor generates and the angular velocity of its output shaft.
What is the formula for power output?
Power Formula 2 – Mechanical power equation: Power P = E ⁄ t where power P is in watts, Power P = work / time (W ⁄ t). Energy E is in joules, and time t is in seconds.
What is better to have torque or horsepower?
Torque, simply, is the ability of a vehicle to perform work — specifically, the twisting force applied by the crankshaft. Horsepower is how rapidly the vehicle can perform that work. … Because there is generally a limit on how fast you can spin an engine, having higher torque allows for greater horsepower at lower rpms.
What is the cost of 1HP motor?
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What is the power output of 92u235?
The correct option is (c) 58.3 MW.
What is input and output power?
Input refers to the amount of energy put into a device, and output refers to the amount of energy that comes out. … For example, a light bulb’s input energy is the form of electrical energy, and its output energy is in the form of light and heat.
Is power consumption an input or output?
They are two ways of saying the same thing. Probably power consumption refers to output power of the “device” because its daying it is suitable for feeding an item with thay “piwer consumption”, so it will be a little less than input power due to the devices efficiency.