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Differences between AC fan and DC fan

  • Categories:News Center
  • Author:
  • Origin:
  • Time of issue:2020-01-15 08:53
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(Summary description)AC fan and DC fan are the cooling fans we use in our daily life and industrial work. They are both the same and different.

Differences between AC fan and DC fan

(Summary description)AC fan and DC fan are the cooling fans we use in our daily life and industrial work. They are both the same and different.

  • Categories:News Center
  • Author:
  • Origin:
  • Time of issue:2020-01-15 08:53
  • Views:
Information
AC fan and DC fan are the cooling fans we use in our daily life and industrial work. They are both the same and different.
AC fan can rotate 50 times in 1s to provide stable air volume, which is often used in equipment requiring stable and stable air volume, such as household appliances, air conditioning system, industrial equipment, etc. Among them, industrial equipment is widely used in power distribution board such as tool machine, industrial electric heating equipment, automatic control system, etc. DC fan is to provide variable and unstable air volume. The operation mode of DC fan is that the motor operates with permanent and built-in magnet, which attracts and repels the rotor and produces operation.
AC fan has stable and continuous air volume, which can discharge hot air and inhale cold air to achieve the standard of ventilation and heat dissipation. However, compared with DC fan, it has the disadvantage of more energy consumption. Although AC cooling fan consumes more energy than DC cooling fan, it is still a kind of energy-saving fan. In fact, a standard AC fan does not use more than 100 Watts at high speed.
DC fan has two advantages: 1. Minimal electromagnetic interference. The electromagnetic interference of DC cooling fan is small, which can prevent overheating and reduce electromagnetic interference at the same time. 2. Low energy consumption. DC fan is more commonly used cooling fan energy saving 50. In addition, of course, there are some disadvantages: 1. The air volume changes unevenly. Intuitively, it can not provide direct and continuous wind direction. 2. Transformers (Rectifiers) may be required. When AC fans use alternating current, the current will change direction; when DC fans use direct current, there will be only one-way current. Therefore, the DC fan must use a transformer (rectifier) to convert alternating current into direct current, so that the fan can provide continuous wind direction.
The efficiency of AC fan is becoming more and more important. Whether it is the case fan used in the cabinet, the electronic fan used in the electronic parts, or the industrial fan used in the industrial electronics, more and more functions are packed into the smaller and smaller space, resulting in the increase of heat energy in the space. In order to adapt to this trend, it is necessary to require the AC fan to be able to operate in a limited space In order to achieve the highest efficiency output, the ultimate goal of heat source management can be achieved.

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Differences between AC fan and DC fan