Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 92
The Cross-magnetizing Effect—In Fig. 93, diagram Ashows the distribution of the magnetic flux in a two-pole machinewhen the field coils are excited and no current is flowing in thearmature winding; the flux density is uniform under the pole faceso that the same number of lines of force cross each… … Flux distribution dueto the field coils Flux distribution due to thearmature winding Fig. 93.—Armature reaction with the brushes in the neutral position. Resultant fluxdistribution position and the field coils not excited. The current passingdownward in the conductors under the S pole of the…
Electrical engineering
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