本文分析了直流电机双闭路双叠绕组的结构、对称条件和均压连接线。
Construction, symmetry conditions and equalizer connections of a multiplex double-closed lap winding of the D. C. motor are analyzed in this paper.
在蓄电池和直流电机的电气连接之间还有一个启动开关。
A start switch is arranged between the storage battery and the electric connection of the DC motor.
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