Technology and operation of three-phase asynchronous motors
Asynchronous motors are the most common motors.
Source: site of the sciences of the engineer.
In the exploded below, the fan at the end of the shaft allows the cooling of the motor.
1.Front front
2.Equalizing nut - washer
3.Front bearing
4.Registration of technical data
5.WirewoundStator
6.Carcasse
7.Key box
8.Plug board
9.Cover of terminal box
10. Cable gland
11.Clamp of the end of the shaft
12. Rotor
13.Rearing
Rear flake
15.Fan
16.Cap of the ventilator
The stator of a three-phase asynchronous motor consists of 3 winding located at the periphery. It is the static part that creates the rotating magnetic field.
The rotor is the central part of the motor which is secured to the transmission shaft. This is the moving part of the engine.
The inventor of the asynchronous motor is Nicolas Tesla born in Serbia in 1856.
Like any good inventor, he died poor and ignored in 1943. It is true that he was then working on a supreme weapon called "ray of death" which found its application only in the adventures of Blake and Mortimer ...
In 1960, the international unit for measuring the intensity of a magnetic field, the [Tesla], was named.
Operation signaling
The correct signaling of the operating mode and the defects which the electric motors and the machines they cause are essential for the safety of goods and persons.
Visualize the film below (put the sound) then answer a few questions (if necessary download Adobe Flash Player).
Technology and operation of three-phase asynchronous motors
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