Adopting high slip motor and increasing the rotary inertia of the rotating parts is an effective approach to achieving good power-saving effect of beam pumping units.
Adopting high slip motor and increasing the rotary inertia of the rotating parts is an effective approach to achieving good power-saving effect of beam pumping units.
采用高转差率电动机，并增加旋转件的转动惯量，是综合提高游梁式抽油机节能效果的有效途径。