摘要
风机的最大特点是轴功率与转速的立方成正比。传统的调节风机风量的典型办法是采用挡板控制,无论需用风量大小,风机都以最高转速运行,消耗电能最多。变频调速技术通过改变电动机工作电源频率调节电机转速,消耗的电能随风量大小而变,具有显著的节能效果。测试数据表明,变频调速与挡风板调节风量相比,当风量降到原来的80％时,节能达48.8％。
The biggest characteristic of an air - blower is that its axle output is in direct proportion with the power of the revolving speed. An air - blower consumes most electricity in the traditional way because it always runs at the utmost speed no matter how much wind is needed. By using the frequency and speed modulation technology, the electricity consumed will vary with the amount of the wind, thus a remarkable energy - saving result is achieved. The test data show that compared with the old technology, energy can be saved by 48.8 % when the amount of wind is reduced to 80%.
