International Library of Technology · Scranton, International Textbook Co. · leaf 495
Fig. 1189. lighter magnetic circuit, that is quite extensively used,results, as represented in Fig. 1190. This form of circuit still has salient poles, since the polesare produced by the direct action of the magnetizing forces,,and not by the opposition of two magnetizing forces. APPLIED… … M It has the advantage that the magnetizing coils andarmature are enclosed by the frame, thus affording them mechanical protection. This type of magnetis used (in the positionshown) by the makersof the Detroit dyna-mos, by the WesternElectric Co., and byothers in this countryand abroad. The…
Electrical engineering
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