Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 93
ls are not excited will then be as shown in diagramA, Fig. 94. The armature field is no longer at right angles to thatproduced by the field magnets but acts in the direction oz, itmay however be considered as the resultant of two magnetic fields,one in the direction oy, called the cross-magnetizing… … A B Fig. 94.—Flux distribution due to the armature winding when the brushesare shifted in the direction of motion. so as to produce these two components; the belts of conductors aband cd, when carrying current, tend to demagnetize the machine,while the belts ad and be are cross-magnetizing in…
Electrical engineering
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