An ac variable frequency drive system of paper machine with PLC controller is introduced.

介绍适用于造纸机的变频调速PLC控制系统。

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By using the special control algorithm of variable frequency drive system, the above said problem is solved.

设计了基于变频驱动系统的专用控制算法来解决“倒发电”问题。

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The experiments of load manifest that the test sample of variable frequency drive for SPCP has good driving capability.

试验样机的带载试验表明，潜油螺杆泵变频驱动装置试验效果良好，性能达到了设计要求。

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The SS-AR2's incorporated drivers support a maximum input power of 100 watts through a 25 mm (one inch) soft dome, a 130 mm (five inch) sliced-paper cone and a 165 mm (six and a half inches) aluminum cone (double-drive system), producing a frequency response from 42 Hz to 60kHz.

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Apple introduced its version, called Fusion Drive, that tiers storage on flash memory or a HDD depending upon frequency of use, but appearing to the user as a single storage device.

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