International Library of Technology · Scranton, International Textbook Co. · leaf 161
Main … Fig. 1417. resistance in series with the motor. The field strength maybe regulated by having the field coils wound in a number ofsections, and cutting these in or out, thus varying the effect-ive number of turns. Another method is to shunt the fieldsby an adjustable resistance, thereby varying the…
Electrical engineering
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.], 1902, leaf 161](https://img.insideoutlibrary.com/img/1024/ia-electricengineer02inte-161-69.webp)
