Electric transmission of energy and its transformation, subdivision, and distribution. A practical handbook (1894)
Kapp, Gisbert, 1852-1922 · New York, Van Nostrand · leaf 365
gram in whatever proportionis required to make the impressed E.M.F. come out atthe correct value. Fig 114 shows a clock diagram so constructed. All 346 ELECTRIC TRANSMISSION OF ENERGY. the constants of the machine being known, we find theangle 4^ for any speed ^ from tan \h = 2 TT ^— ; ? ^ hence… … F, and find the armature current / in amperes from eitherof the two following equations : Ftt^ 1= cos 4- 10-. I=^sm^lO-\ WORKING DIAGRAM. 347 The latter is the more convenient expression, as it per-mits to read oiF the value of / by means of a circle of F 10-^radius —. We can now calculate the…
Electric power production
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