From the motor nameplate, in addition to the intuitive parameters, what other motor parameters can b

Introduction From the motor nameplate, in addition to the intuitive parameters, what other motor parameters can be deduced? The motor nameplate mainly indicates "rated power, rated voltage and current, rated speed, stator".

From the motor nameplate, in addition to the intuitive parameters, what other motor parameters can b

The motor nameplate mainly lists technical parameters such as "rated power, rated voltage and current, rated speed, stator winding connection". From these parameters, we can calculate the “rated torque” of the motor Main parameters, formula: TN=9550×PN/nN (NM), rated torque is an important parameter to measure capacity driving load of the engine and forms the main basis for the design of the engine transmission system and the selection of the engine.

Electric machines (English: electric machines, commonly called "motor") refer to an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. It is represented by the letter M (D in the old standard) in the circuit. Its main function is to generate engine torque and serve as a source of energy for theelectrical appliances or various machines. The generator is represented by the letter G in the circuit. Its main function is to convert electrical energy into mechanical energy.

Come join the fun: You are right, the voltage and current on the generator nameplate are all instantaneous values, and the wattage is also an instantaneous value. When you calculate P=IU, they naturally are. all instantaneous values. But Q is not, it is the quantity of electricity, which is the amount of electricity used after a certain period of time under instantaneous power. It can be expressed in hours or seconds, but Q is generally expressed in degrees. at a thousand watt hours. If the generator power is 10 kW, then 360 seconds also corresponds to 1 kilowatt hour of electricity. Just like voltage, it can be V or MV, but the units are different. For example, when time t is ahour, the quantity of electricity corresponds to the work done per unit of time.

In fact, many brands of generators are marked VA instead of W. If the electrical load is an inductive or capacitive load, the actual power output will not be that great and will need to be multiplied by a power factor.

Remember one thing, P is work, there is so much power, Q is energy, it is the continuous use of so much power, just having power without doing work means that there is only work P without Q. . Turtle P is very small but it takes a long time, so it will naturally reach the finish line before the rabbit.

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