Then the speed regulating pole change motor is designed based on the pole - changing principle 根据变极原理设计了螺杆泵用变极调速电动机。
Calculation of slot leakage reactance for 3 - phase pole changing double winding adjustable - speed asynchronous motor 双绕组变极调速三相异步电动机槽漏抗的计算
Three speed control methods are introduced and relevant equations for energy saving calculation are presented 介绍了变极调速、变频调速和液力调速离合器调速3种调速方法及相应的节能计算公式。
Simplex winding double speed asynchronous motor is easiest and widest polechanging control method among the change pole motors 摘要单绕组双速异步电动机是变极电机中方法最简易、应用最广泛的一种变极调速方法。
According to the actual working condition of the electric motor on ground drive screw pump , two kinds of new motors are proposed , that is the gearshift multi - power single speed motor and speed regulating pole change motor 摘要根据地面驱动螺杆泵电动机的实际工况,提出了分挡多功率单速和变极调速2种新的电动机设计方案。