变速电动机
Varying speed institution used speed reducer and rag wheel to drive separately. The power of electric motor was transferred to achieve the aim of loosening soil.
传动变速机构采用了减速器、链轮传动,电动机的动力传递给滚齿轴,实现松土机耕作土壤的目的。
This paper makes use of ordinary power supply chip TL494, which having characteristic of PWM output, DC motor speed-varying control circuit has been designed.
本文利用最常见的用于电源的PWM电压调节芯片TL494,设计成直流电机调速控制电路。
study on constant torque load for varying speed motor system
用于调速研究的恒转矩负载
application of constant pressure and frequency converter and varying-speed motor technology in the water injection development
恒压变频和调速电机技术在中低渗油藏注水开发中的应用
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