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空压机节能改造资讯:变频节能原理

空压机节能改造资讯:变频节能原理

发布日期:2015-04-02 16:29 来源:http://www.souqizzle.com 点击:

济南中央空调改造

  目前投入使用的螺杆式空压机基本运行方式是加载、减载方式。而减载时电机处于空转状态,这就造成了能源浪费,而这正是空压机节能改造的空间,如果利用变频器对空压机控制系统进行改造,通过改变电机频率来调节转速,变频控制即通过改变电动机的转速来控制空压机单位时间的出风量,从而达到控制管路的压力,具有明显的节能效果。空压机变频节能系统原理如下:通过压力变送器测得的管网压力值与压力的设定值相比较,得到偏差,经PID调节器计算出变频器作用于异步电动机的频率值。由变频器输出的相应频率和幅值的交流电,在电动机上得到相应的转速。那么空压机输出对应的压缩空气输出至储气罐,使之压力变化,直到管网压力与给定压力值相同,达到压力要求后就自动停机,不会出现电机空转的情况,节约能源,达到节能目的。 节能是我国及至世界的发展方向,因此进行空压机节能改造势在必行,变频器将在空压机节能改造工程越来越多地被使用。

Currently in use of screw air compressor basic modes of operation is to load, lightening. And lightening when the motor is in idle state, this creates energy waste, which is the energy-saving reform of the air compressor room, if the use of frequency converter control system for air compressor, to regulate speed by changing the motor frequency, frequency conversion control that is by changing the speed of the motor to control the air volume of air compressor unit of time, so as to achieve control of pressure pipeline, has obvious energy saving effect. Air compressor inverter energy-saving system principle is as follows: through the pressure transmitter of pipe network pressure value compared with the pressure value, get the deviation, the PID controller calculates the frequency inverter in asynchronous motor frequency values. By the frequency converter output corresponding frequency and amplitude of alternating current (ac), get the corresponding rotational speed on motor. So air compressor output corresponding to the compressed air output to storage tanks, pressure changes, until the pipe network pressure with the given values are the same, automatic stop when you meet the pressure requirements and won't appear the condition of the motor idling, save energy, to achieve energy saving purpose. Energy is the development direction of our country and the world, so the air compressor energy saving renovation is imperative, the inverter will be in the air compressor energy saving reconstruction project is increasingly used.


相关标签:济南中央空调改造

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