Through DC voltage and electromagnetic induction, electrical energy is converted into machinery to drive the rotation of the blades, which are collectively referred to as DC fan.

According to the principle classification, fans can be divided into two categories: AC axial fans and centrifugal fans. These two types of fans have different structures, different working principles, and different operating characteristics.

Según la clasificación principal, los fanáticos se pueden dividir en dos categorías: ventiladores axiales de CA y fanáticos centrífugos. Estos dos tipos de ventiladores tienen diferentes estructuras, diferentes principios de trabajo y diferentes características operativas.

According to the principle classification, fans can be divided into two categories: AC axial fans and centrifugal fans. These two types of fans have different structures, different working principles, and different operating characteristics.