Dynamos and motors; a text book for colleges and technical schools (1911)
Franklin, William S. (William Suddards), 1863-1930, Esty, William, 1868-1928 · New York The Macmillan company · leaf 301
or single-phase converter. The three-ring or three-phaseconverter has three collector rings connected to three commutatorbars 120° apart (on a two-pole machine), the four-ring, or so-calledtwo-phase converter, has four collector rings connected to fourcommutator bars 90° apart (on a two-pole… … Fig. 210. of the armature lie midway under the north poles of the fieldmagnet. Let / be the distance between adjacent commutatorbars of this first set. Then ring No. 2 is connected to all commu-tator bars i/;/th of / ahead of the first set; ring No. 3 is con- * Also often called a rotary converter.…
Dynamos · Electric motors
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
