series parallel motor

基本解释

Here are a Suber-water pumpskind of series and parallel to achieve the motor switch to high speed of the liquid control valve.
下面介绍一种能实现马达串并联切换，从而实现高低速的液控换向阀。
It analyzes the advantages and disadvantages of series and parallel connections of traction motor, as well as the effect of axle weight transfer on adhesion utilization of 8K electric locomotive.
分析了牵引电机串、并联的利弊以及8K机车轴重转移对粘着利用的影响；
In order to serve the design purpose, we can only use the following two means: One kind selects the variable motor, another means are use two quota motors parallel and the series connected cut method.
为了达到设计目的，我们只能采用以下两种办法：一种是选用变量马达，另一种办法是采用两个定量马达并联和串联切换的方法。