1.
diesel electric driving rig
柴油机发电驱动钻机
2.
Application of VFD and SCR Compound Driven on 5000m Rig
5000m交直流复合电驱动钻机应用
3.
Simulation of Electric Rig Hoisting System Driven by AC Variable-Frequency Motor
交流变频电驱动钻机起升系统的模拟
4.
Technology Status and Development Direction for DC Drilling Rig
我国直流电驱动钻机现状及发展方向
5.
Research of AC electronic load based on electric drilling dril
基于电驱动钻机的交流电子负载的研究
6.
a hammer driven by electric motor.
用电发动机驱动的钻。
7.
a rotating drill powered by an electric motor.
用电发动机驱动的旋转的钻子。
8.
Design of SCR D.C. Drive System Using Utility Net for Rig
钻机电网供电可控硅直流电驱动系统设计
9.
Research on Harmonic Suppression and Reactive Power Compension of Oil Drilling Rig Electrict Drive System
石油钻机电驱动系统谐波抑制和无功补偿研究
10.
The harmonic analysis and calculation of the drilling rig's VFD electric drive system
石油钻机VFD电驱动系统的谐波分析和计算
11.
The research on the experimental system for automatic bit feed with variable frequency drive
变频驱动钻机自动送钻试验系统的研究
12.
Harmonic influence and resolvents on DC electric drive system of oil drilling rig
石油钻机直流电驱动系统的谐波影响及其解决方案
13.
hand-held non-electric power-operated boring tools
手提式非电动机动钻具
14.
engine generator
发动机驱动型发电机
15.
syn-drive electric motor
自整角机驱动电动机
16.
exciter set driving motor
励磁机组驱动电动机
17.
foot engine with electric motor
牙科脚踏电动二用钻机
18.
The construction, control and scheme selecting of the electric drive control system of electric drive oil drilling rig have been deeply studied in this paper.
针对电驱动石油钻机电气传动控制系统的构成、制、案选择进行了深入研究。