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 106
motive-force curveof an alternator, the dotted curve is the current curve for thecase in which the alternator delivers current to a circuit whichhas both resistance and inductance, and the ordinates of the dot-dash curve represent the successive instantaneous values of thepower ei delivered by the… … Fig. 77. Current lagging 60° behind voltage. by the alternator from the receiving circuit {ci negative) duringeach complete cycle of electromotive force and current.
Dynamos · Electric motors
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.