The practical testing of dynamos and motors (1905)
Smith, Charles Frederick, 1873- · Manchester Scientific Pub. Co · leaf 289
son is that even a large increase or decreaseof magnetising force does not materially alter the totalflux, the added or subtracted ampere-turns producingbut little effect on the saturated iron. Thus, while in Fig. 91 the densities are 8,000 at thecentre and 12,000 and 4,000 at the tips of the… … Fig. 93.—Potential Round Commutator. Current in Armature.bru.shes with lead. effect of saturation shown. reducing the distortion of the magnetic field, and thevariation of the field under the pole tips. It is conse-quently advantageous for machuies which have to operatewith widely-varying loads,…
Dynamos · Electric motors
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
