Electric transmission of energy and its transformation, subdivision, and distribution. A practical handbook (1894)
Kapp, Gisbert, 1852-1922 · New York, Van Nostrand · leaf 377
F ENERGY. The meclianical effect due to tlie inter-action betweenthe field and the currents is as follows : Quadrant a btends to pull the armature round in a clockwise sense,quadrant b c tends to pull it round counter clockwise.In the lower half quadrant c c? is acting clockwise, andquadrant d a… … duction, it is obvious that not only would the currentspass through their maxima at the times that the fieldpasses through zero, and therefore each quadrant takenby itself could produce no effect, but the currents wouldremain symmetrically distributed in space on either sideof the vertical diameter…
Electric power production
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