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 252
Fig. 176. THE ALTERNATOR AS A GENERATOR. 241 points aa. If the pole faces were so shaped that the flux densityat any point b in the gap space would be proportional to thecosine of the angle a, we would have what is called a liaruionicdistribution of Jinx, and the electromotive force induced in… … Rg. 177. (a) Concentrated armature winding. — In the case of a concen-trated winding, the average value (during half-a-cycle) of theelectromotive force ot the alternator is equal to p^Zn abvolts asstated above, and if the electromotive force is harmonic (harmonicdistribution of flux) the ratio,…
Dynamos · Electric motors
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