Motor types: Wound-field dc motors are usually classified by shunt-wound, series-wound, and compound-wound. In addition to these, permanent-magnet and brushless types are also available ...

As you can see, there are a variety of electrical configurations for a DC machine. For the purpose of this article, we will stick with the series- and shunt-wound DC motor. Please note that the ...

The Figure above shows one way of wiring a compound motor with interpoles. The blue lines indicate the shunt field, the red lines designate the series field, and the green lines show the interpole ...