Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 68
44 DIRECT-CURRENT DYNAMOS The cross-magnetization of the armature produces a distor-tion of the flux in it; but this would have^small effect upon the e. m. f.if the Hne of commutation did not also change with the armature cur-rent. This change necessitates the moving of the brushes; and then
Electrical engineering
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