Compared with traditional fans, brushless DC fans have the following specific advantages:

1. High efficiency: brushless DC fans use brushless DC motor technology to precisely control the current and rotor position through an electronic controller, thereby achieving efficient energy conversion. In contrast, traditional fans use DC motors, in which friction and energy loss in brushes and commutation rings lead to lower efficiency. Therefore, brushless DC fans can convert electrical energy into power with higher efficiency and reduce energy consumption.

2. Long life: The brushless design of brushless DC fans eliminates the wear and failure risks of brushes in traditional brushed DC fans. Brushless motors have no direct contact friction parts, which reduces the possibility of mechanical wear and failure. This gives brushless DC fans a long life and higher reliability.

3. Low noise: Brushless DC fans have low noise levels during operation. Since brushless motors do not use brushes, friction and vibration between brushes and commutation are reduced, thereby reducing noise generation. This makes brushless DC fans an ideal choice for applications that require a low noise environment.

4. Adjustability and control: The speed of the DC brushless fan may be flexibly adjusted by the electronic controller. By changing the chicken wing signal of the electronic controller, different air volume and pressure outputs can be achieved, which makes the DC brushless fan more flexible and can accurately adjust the air volume as needed.

5. Energy saving and environmental protection: The high efficiency and adjustability of the DC brushless fan enable it to provide the same air volume and pressure output with lower energy consumption. This helps to save and reduce carbon emissions. In addition, the DC brushless fan does not contain harmful substances such as mercury, so it is more environmentally friendly.

In general, the DC brushless fan has higher efficiency, longer life, lower noise level and better controllability than traditional fans. These advantages make the DC brushless fan the first choice in many fields, especially for application scenarios with high efficiency, reliability and precise control.