Cooling fan AC AC fan working principle and concept

Ac fan concept:

AC AC fan belongs to the AC cooling fan, the input is AC, the general AC voltage is: 100V, 110V, 120V, 220V, 230V, 240V, 115V, 230V, 380V.

The AC fan power cord is not divided into positive and negative, the color is the same, so it is convenient to energize, no need to pay attention to which line to connect which interface.

Ac AC fan works by:

The power supply voltage will be positive and negative alternating, must rely on circuit control, so that the two sets of coils work in turn to produce different magnetic fields, AC fans due to the power frequency is fixed, so the magnetic pole change speed generated by the silicon steel sheet, determined by the frequency of the power supply, the higher the frequency The faster the magnetic field switching speed, the theoretical speed will be faster, just like the DC fan pole number the more the faster the speed of the principle, but the frequency can not be too fast, too fast will cause activation difficulties.

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