The variable frequency air compressor is continuously adjusted to ensure that the speed of the air compressor motor is in a one-time relationship with the actual power consumption of the air compressor. Reducing the motor speed will reduce the actual power consumption. The variable frequency air compressor is an instant sensor with a pressure sensor. Actual air pressure and gas consumption in the system.
The variable frequency air compressor is continuously adjusted to ensure that the speed of the air compressor motor is in a one-time relationship with the actual power consumption of the air compressor. Reducing the motor speed will reduce the actual power consumption. The variable frequency air compressor is an instant sensor with a pressure sensor. Actual air pressure and gas consumption in the system. Through the precise coordination of electrical control and variable frequency control, the motor speed (ie, output power) is instantly controlled without changing the torque of the air compressor motor (ie, the ability to drag the load), and the system pressure is responded to by changing the compressor speed. The change and maintain a stable system pressure (setpoint) to achieve high quality compressed air on demand output. When the system consumes less air, the compressed air provided by the compressor is greater than the system consumption. The variable frequency compressor will reduce the speed and reduce the output compressed air volume; otherwise, increase the motor running speed and increase the compressed air volume to maintain a stable system. Pressure value.
It is the same as the fan motor "target=_blank> machine motor pump power saving, according to the load change, the voltage frequency of the control input is the same as the principle of the inverter. The energy saving effect is as follows:
1. The pressure setting of the variable frequency air compressor can be one point, that is, the minimum pressure that meets the requirements of the production equipment can be used as the set pressure. The variable frequency air compressor will adjust the speed of the air compressor according to the trend of fluctuation of the pipe network pressure. Even eliminating the unloading operation of the air compressor, saving energy.
2. Because the variable frequency air compressor makes the pressure on the pipe network stable, it can reduce or even eliminate the fluctuation of pressure, so that all the air compressors in the system operate under a lower pressure that meets the production requirements, reducing the pressure upwards. Power loss due to fluctuations.
3. Since the compressor cannot eliminate the possibility of long-term operation under full load conditions, the capacity of the motor can only be determined according to the maximum demand, so the design capacity is generally large. In actual operation, the proportion of time spent on light loads is very high. If the frequency conversion speed regulation is adopted, the working efficiency at the time of operation can be greatly improved. Therefore, the potential for energy saving is great.
4, some adjustment methods (such as adjusting the valve opening and changing the angle of the blade, etc.), even in the case of small demand, can not reduce the operating power of the motor. After the frequency conversion speed regulation is adopted, when the demand is small, the rotation speed of the motor can be reduced, and the operating power of the motor can be reduced, thereby further realizing energy saving.
5. Most single motor drive systems cannot be continuously adjusted according to the weight of the load. After the frequency conversion speed regulation is adopted, the stability of the parameters such as pressure, flow rate and temperature can be conveniently performed, thereby greatly improving the working performance of the compressor.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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