Electric transmission of energy and its transformation, subdivision, and distribution. A practical handbook (1894)
Kapp, Gisbert, 1852-1922 · New York, Van Nostrand · leaf 276
s to produce in the circuit simultaneously theE.M.F. er= O R and the E.M.F. es= O S\ that is tosay, they must produce the resultant c = O A ; because CLOCK DIAGRAM FOR POWER. 257 only if this condition is fulfilled can the current 01 flow.It is important to note that the direction of this… … the E.M.F. of generator and motor respectively. The pro-blem is now to find the position of these radii correspondingto the the position of the current line originally fixed. Weknow that O A must be the resultant of the two E.M.F.s,and we have therefore to find what parallelogram offorces, having…
Electric power production
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