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SB60 Inverter Supply Control System Used in Experimental Practice Teaching
Pages: 183-185
Year: Issue:  2
Journal: Refrigeration & Air Conditioning

Keyword:  Constant pressure air supply controlFrequency conversionSB60 inverter;
Abstract: 变频调速系统将压力作为控制对象,压力变送器将储气罐的压力转变为电信号送给变频器内部的PID调节器,与压力给定值进行比较,并根据差值的大小按既定的PID控制模式进行运算,产生控制信号去控制变频器的输出电压和逆变频率,调整电动机的转速,从而使实际压力始终维持在给定压力.
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