...心 关键词： 钻机；变频调速；负载特性；节能；钻探成本[gap=689]Key words： drill; speed adjusting by frequency conversion; loa d characteristic; economizing energy; drilling cost..
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Special driving system, speed adjusting by frequency conversion.
专用驱动系统，变频调速。
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。
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