Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 260
Fig. 265. ./L. -Et- K_. -E i-. ->!<- - -E 2- - -x ^mnp—I i?wvHi Si F\ ^ O 2 … --sJZE Fig. 266.—The vector difference between the two voltages E^and E2, eachequal to E, is Et = y/5E. and the voltage E2 lags Ei by 120 degrees then the resultant voltage Er is the vector sum of E1 and E2 and may be determined as shown in diagram A. If, however, the second coil is connected…
Electrical engineering
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