In this artical partial working theories of electrical drilling rig was analysed initially, such as the requirments of electrical drive for the working machine,the working principles of SCR DC drive and VFD AC drive,analysis of characters of DC and AC motors,the four quadrant motion and principles of energy brack etc.
文章就电动钻机的部分工作理论作初步剖析,包括钻机工作机组对电驱动的要求,可控硅直流电驱动和交流变频电驱动的工作原理,直流电动机和交流变频电动机等的特性分析,电动机的四象限运行和能耗制动原理等。
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
A New Circuit of small Capacity Dc drive with SCR Power Supply
小容量直流拖动可控硅供电的新线路
ADJUSTABLE SPEED SYSTEM OF DDC USING THYRISTOR FOR D.C. MOTOR
直接数字控制可控硅直流电动机调速系统
An Approach of the Thyristor-controlled DC Source for Pollution Test
可控硅控制直流污秽试验电源的探讨
On the condition without DC power, the SCR could be used to realize dynamic braking.
在无法取得直流电源的情况下，利用可控硅元件，也可实现能耗制动。
Research on Control System for Brushless DC Motor Drive;
无刷直流电动机驱动控制系统的研究
The Application of DC-master 6RA70 in Electromagnet Control
6RA70直流驱动器在电磁铁控制中的应用
Inverter Fault-Tolerant Operation of Brushless DC Motor Drives
无刷直流电机驱动控制容错方案研究
Studies on Drive and Control Technology of Aeronautic Linear DC Motor;
航空直线直流步进电动机驱动控制技术的研究
Studies on Drive and Control System of New Type Aeronautic Linear DC Motor;
新型航空直线直流电动机驱动控制系统研究
Simulation and Control of Brushless DC Motor in Electric Vehicle Drives
电动汽车驱动用无刷直流电动机的控制与仿真
Either direct or alternating current may be used for driving electric trains.
直流电和交流电都可用来驱动电气火车。
The Adjustment and Test of Dynamic Parameters of Thyristor DC Control System with Double Closed Loops
双闭环可控硅直流控制系统动态参数调试
Control of Brushless DC Motor for Electric-Motorbike;
电动摩托车无刷直流驱动电机的控制方法
A principle of the SCR uninterrupted contacting commutator for the DC motor
可控硅无间断接触直流电机换向器原理
Hardware Design of a Digital-controlled Brushless DC Motor Driver
数字控制无刷直流电动机的驱动器硬件设计
Study on the Control and Monitor System for Permanent Magnet BLDC Motor;
永磁无刷直流电机驱动及监控系统研究
The Research of Photovoltaic Water Pump System Driving by Sensorless BLDC;
直流无刷电机驱动光伏水泵控制技术的研究
