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

【DC fan】Product features

The DC fan rotates the DC motor to drive the rotation of the fan impeller by inputting DC power, so as to realize the conversion process of DC power to mechanical energy. The fan is called DC fan. The biggest feature of the DC fan is the optional DC motor.

u003cbru003e1. Low loss and high efficiency

u003cbru003eBecause of the permanent magnet excitation, the loss caused by the excitation current of the induction motor is eliminated; at the same time, the permanent magnet brushless DC motor works in a synchronous operation mode, which eliminates the frequency loss of the rotor core of the induction motor. These two aspects make the operating efficiency of permanent magnet brushless DC motors much higher than induction motors, and the efficiency of small-capacity motors is more obvious.

u003cbru003e2, high power factor

u003cbru003eBecause the excitation field of the brushless DC motor does not require the reactive current of the grid, its power factor is much higher than that of the induction motor, and the brushless DC motor can run at a power factor of 1, which is extremely beneficial for small power motors. Compared with induction motors, brushless motors not only have higher efficiency and power factor at rated load, but also have advantages at light load.

u003cbru003e3. Good speed regulation performance and simple control

u003cbru003eCompared with the frequency control of induction motors, the speed control of brushless DC motors is not only simple, but also has better speed control performance.

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