10kV高压变频器在煤矿对旋风机中的应用--中国自动化网文库中心 关键词： 变频器；对旋风机；控制；节能 [gap=545]Key words： frequency converter；counter-rotating fan；control；economize on energy
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counter-rotating axia-flow fan 对旋轴流通风机
counter-rotating axial-flow fan 对旋式轴流通风机
counter-rotating axial flow fan 对旋轴流通风机
counter rotating axial-flow fan 对旋式轴流通风机
counter-rotating main fan 对旋主通风机
counter rotating axial flow fan 对旋式轴流风机
One way to increase the efficiency of a high-bypass jet engine is to turn the fan into an open rotor, a bit like returning to propellers, but using two rings of stubby counter-rotating blades.
提高高旁通飞机引擎的方法之一就是把风扇变成开放式旋翼，有点回归于螺旋桨的味道，但要使用两圈粗短的反旋桨叶。
Due to the strong axial and radial load to the bearing of electromotor in counter-rotating axial fan, it is always occurred that the bearing was damaged in use.
由于对旋轴流式风机电动机轴承要承受较大的轴向负荷和径向负荷，实际使用过程中常发生电动机轴承损坏的现象。
On-line monitoring and trouble diagnosis system of counter-rotating type of axial fan for mine is introduced.
介绍了矿用对旋轴流式主通风机的在线监测和故障诊断系统。
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