1.
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
2.
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
3.
diesel electric driving rig
柴油机发电驱动钻机
4.
a hammer driven by electric motor.
用电发动机驱动的钻。
5.
Individual infinite variable speed drive of each roll with AC-motors coupled to programmable frequency inverters.
电机驱动方式为交流变频无极变速驱动。
6.
Design and Analysis of Inverter-driven Induction Motor;
变频器驱动下的异步电机设计与分析
7.
The Research on Adjustable Speed Driving Control and It s Effect on Inductive Motor;
变频驱动控制及其对电机作用的研究
8.
Design of the Stepper Motor Driver Based on Frequency Conversion
基于变频控制的步进电机驱动器设计
9.
The technical level and development trend of chinese AC VF drilling rigs
我国交流变频电动钻机的技术水平和发展趋势
10.
a rotating drill powered by an electric motor.
用电发动机驱动的旋转的钻子。
11.
Application of VFD and SCR Compound Driven on 5000m Rig
5000m交直流复合电驱动钻机应用
12.
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
13.
According to its drive system, high-speed centrifuge is divided into: dual-motor frequency-converting contrifuge, single-motor frequency-converting contrifuge, dual-motor two speeds centrifuge, frequency-converting intelligent control centrifuge and single motor drive centrifuge.
其中高速离心机驱动方式分为双机变频、机变频、机双速、变频智能驱动和单机驱动五种方式。
14.
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
15.
Loss Minimization and Fast Response Control of Inverter Fed Asynchronous Motor Drive;
变频驱动异步电动机最小损耗快速响应控制研究
16.
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
17.
Research on Operation Characteristics of Direct Drive Vscf Wind Turbine
直驱变速恒频风电机组运行特性研究
18.
Steady characteristic of variable-speed constant-frequency direct-driven wind-turbine
直驱型变速恒频风力发电机稳态特性