Optimizing the combination of pumping unit, electrical motor and electric cabinet can raise energy ( power) efficiencies for oil wells. 油井抽油机、电机、电控箱组合配置有利于节能(电能)。
This paper introduces the protecting methods of the output end of DC motor's control cabinet, and analyzes the principle of the circuit. 文章介绍了直流电机控制柜输出端的保护方法,并对电路进行原理分析。
Car dumper driver frequency control system constitutes a programmable logic controller, the AFE rectifier feedback device, vector inverter, drive motor, speed sensor, PC, and control cabinet. 翻车机驱动变频调速控制系统由可编程逻辑控制器、AFE整流回馈装置、矢量逆变器、驱动电动机、速度传感器、上位机以及控制柜等构成。