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How the AC fan works?

How the AC fan works?

The difference of AC fans and DC fans is that the former power AC power supply voltage will be positive and negative alternating, unlike the DC fan power supply voltage is fixed, the AC fan must rely on circuit control, two sets of coil turns in order to produce different magnetic field AC fan.power frequency is fixed, the pole silicon steel sheet produced by the rate of change, determined by the power frequency, the frequency the higher the magnetic field to switch faster, in theory, speed will be faster, just like the principle of DC fan pole number, the more the faster speed, but can not be too fast, too fast will get the difficult on activation.



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