Electric transmission of energy and its transformation, subdivision, and distribution. A practical handbook (1894)
Kapp, Gisbert, 1852-1922 · New York, Van Nostrand · leaf 219
„ andso on. In the dynamo the electro-motive force corre-sponding to the current O (7 is CD, and that correspond-ing to the current O Ci is Ci Dj. Draw O R under suchan inclination to the horizontal that the tangent of theangle BOX represents to the scale of the diagram thenumerical value of the… … and so on. The ordinates between the straight line O Rand the characteristic curve O E represent, therefore, thecounter-electro-motive forces which must be developed inthe armature of the motor at various currents. If thecurrent is O C, the counter-electro-motive force is A D,if the current is O…
Electric power production
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