Electrical machinery; a practical study course on installation, operation and maintenance (1921)
Annett, Fred Anzley · New York [etc.] McGraw-Hill book company · leaf 250
Current motors may bedivided into five general classes according to their electricalcharacteristics; namely, series, shunt and compovmd, interpoleand compensating types. In all these types the armaturesmay be the same, the essential difference being in the field-pole windings and the way the latter… … Fig. 248.—Connection diagram for series motor and starting box. windings arc connected in series, the latter passes all thearmature current. Consequently, the wire in the field coilsmust be large enough to carry the total load current withoutexcessive heating or voltage drop. For this reason the…
Electric machinery
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-138-55.webp)