frequency conversion adjusting speed system 变频调速系统
frequency conversion speed adjusting 变频调速恒压供水系统
frequency conversion speed adjusting pump 变频调速水泵
AC frequency conversion speed adjusting 交流变频无级调速
adopt frequency conversion speed adjusting 采用变频调速
frequency-conversion and speed-adjusting water supply 变频调速供水
The closed circuit control system with frequency conversion for adjusting speed controlled by industrial computer is introduced with its control function and realization.
文章介绍了一种由工业计算机控制的变频调速闭环控制系统，同时介绍了该系统的控制功能和电气实现。
It adopts axle center type gas top, AC frequency speed adjusting, frequency conversion, DC direct current speed adjusting and electromagnetic braking.
为轴心式气顶、AC变频调速变频刹车DC直流调速、电磁制动。
The AC servo system of FANUC 11 series is a AC-DC-AC conversion frequency speed adjusting system, which use PWM as the speed-adjusting control method.
FANUC一11型交一直一交频调速系统，调速的控制方法为脉冲宽度调制(pwm)法。
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