...变频水泵, [gap=811]ature controller,control instruction,two way control valve,variable flow system,frequency-controlled pump, ...
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Presents the energy saving principle of a frequency-controlled pump and points out the applicability of the law of similitude for centrifugal pumps and the conception of constant efficiency curves.
阐述了循环 水泵变频调速的节能原理，提出 离心 水泵相似定律的适用性和等效率曲线概念。
The practice after the feeding pump of hard pitch controlled by belt changed into frequency control of speed in AISC Chemical General Plant is introduced.
介绍了鞍钢化工总厂硬质沥青加料泵皮带调速改为交流变频调速的实际应用过程。
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