Electric transmission of energy and its transformation, subdivision, and distribution. A practical handbook (1894)
Kapp, Gisbert, 1852-1922 · New York, Van Nostrand · leaf 241
nd the decrease of the 222 ELECTRIC TRANSMISSION OF ENERGY. current, in other words, it must tend to diminish theamplitude of the current wave, for were it to increase theamplitude it would be opposed to Lenzs law. We thusfind that at the moment when the current passes throughzero and becomes… … appearing in the diagram, Fig. 78, as a vertical line OEsin the upper or positive half of the figure. The current-line at this moment is 01. The voltmeter v± placedacross the terminals of the coil B will therefore show theeffective voltage which the machine must impress uponthis coil in order to…
Electric power production
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