• Use of axial fans and blowers Dec 28 , 2021
    In the cooling fan, the DC fan provides variable flow and the AC fan provides constant flow. In addition to AC power supply and DC power supply, cooling fans are usually classified according to the way air enters and exits the fan. In an axial fan, air enters and exits in the same plane. If the airflow leaves in different planes, this is called centrifugal design or blower. Natural convection cool...
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  • Cooling fan - Speed control systems Dec 30 , 2021
    Brushless DC (BLDC) fans are the most common type used to cool electronic equipment. Many cooling fans now have additional functions which provide greater control the fan speed and operation, thus improving the system performance. Having a fan run constantly even when maximum cooling is not required, does not result in an efficient system and can reduce the service life of a fan. If the average sp...
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  • Cooling Fan - Brushless DC Motor Jan 05 , 2022
    Motors that power ventilation cooling fans are usually divided into brushless motors or induction motors. Brushless motors are sometimes called electronically commutated motors. Commutation refers to the act of switching the electrical connection from one motor winding to the next one. Motor windings in the DC cooling fan motor  is generally located in the stator or stationary portion of the ...
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  • If the positive and negative poles are reversed, will the cooling fan burn out? Jan 18 , 2022
    DC cooling fan has two positive and negative power lines. When installing the cooling fan, if the positive and negative lines are connected reversely by wrong operation, will the cooling fan burn out? Whether the axial cooling fan is burnt out or not is mainly related to the IC Design of the cooling fan. In general, the drive IC with double wire winding method has internal protection design. If th...
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  • How to choose the cabinet cooling fan? Jan 26 , 2022
    1. When purchasing cabinet cooling fans, first confirm the size of the cabinet, select the appropriate fan model and appearance for installation, and then determine the parameters such as voltage, airflow, speed, current, noise and other parameters. 2. Cooling fan voltage, which can be divided into DC voltage 5v, 12v, 24v and 48V; AC voltage 110V, 220v, 380v. If the wrong voltage is connected, the...
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  • Where is the cooling fan used? Feb 23 , 2022
    Cooling fans, as the name suggests, are used for ventilation and heat dissipation. It is widely used in various industries and fields, because in many electronic equipment and machinery, if there is no cooling device installed in the equipment, the working temperature may be too high, which may cause the performance of the equipment to decline, or even be damaged. For normal and efficient operatio...
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  • Why the speed of DC cooling fan slows down? Mar 26 , 2022
    Why the speed of DC cooling fan slows down? The speed of the cooling fan is determined by voltage, fan blade angle, diameter, number of fan blades, bearings, etc. So what is the reason why the cooling fan slows down? The speed of the cooling fan is mainly determined by the structure and components of the fan itself, the bearing friction and the wind resistance of the inclination angle of the fan b...
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  • AC, DC, EC fans Features Apr 02 , 2022
    AC, DC, EC fans Features When it comes to cooling fans, it is estimated that everyone is very familiar with them. They are indispensable in our life, such as household appliances, electronic products, digital computers, medical equipment, etc. They will be used as long as they need cooling and exhausting. Cooling fans can be divided into AC fans, DC fans and EC fans. Here, I will explain the diffe...
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A total of 11 pages

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