Professional manufacturing and production of radiator cooling fans, condenser fans and fan motors, etc.

Hall effect on cooling fan

by:TOCH     2021-02-26
Hall effect on cooling fan u003cbru003e u003cbru003e u003cbru003e The variable frequency motor uses the Hall device to measure the relative position of the rotor, and the signal obtained is input to the control chip. At the same time as the motor is driven to rotate, the signal can also be output through the main board as a speed measurement signal, because the commutation pulse is a wave signal After simple processing on the main board, it can be sent to the main board for display and control. Since the number of phases of the motor is generally more than 2, the frequency of the commutation signal is several times the motor speed. Therefore, if the commutation pulse is used as a speed measurement signal, It must be calculated by the elimination method to get the true motor speed. Wenling Tongchi Automobile Air Conditioning Manufacturing Co., Ltd. specializes in producing cooling fans
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