Wholesale silent 70mm Exhust 70*70*25mm DC Brushless Cooling Fan
Product description
The main component of a floor fan is an AC motor, which means the motor is the heart of the floor fan. The working principle of a floor fan and an electric fan is the same: the energized coil rotates under force in a magnetic field. The form of energy conversion is that electrical energy is mainly converted into mechanical energy, and due to the resistance of the coil, it is inevitable that a portion of electrical energy needs to be converted into thermal energy.
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