Theory And Calculation of Alternating Current Phenomena
Theory And Calculation of Alternating Current Phenomena
Charles Proteus Steinmetz
The book Theory And Calculation of Alternating Current Phenomena was written by author Charles Proteus Steinmetz Here you can read free online of Theory And Calculation of Alternating Current Phenomena book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Theory And Calculation of Alternating Current Phenomena a good or bad book?
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O^v gives the actual generated e.m.f., OE^, and subtracting therefrom the e.m.f. consumed by the armature resistance, OE^, in phase with the current, 01, gives the terminal vol- tage, 6K 237. Here the diagram has been constructed graphically, by starting with the field-excitation, (Fo, the armature current, /, 386 ALTERNATING-CURRENT PHENOMENA. and the phase angle between the armature current, /, and the field-excitation, IF^ — that is, the angle between the position in which the armature curre...nt reaches its maximum, and the direction of the field-poles. This angle, however, is unknown. Usually the terminal voltage, OE, the current, 01, and the angle, EOI, between current and terminal voltage are given. From these latter quantities, however, the diagram cannot be con- structed, since the position of the field-excitation, jFo, and so the Fig. 150. directions, in which the electric quantities have to be resolved into components, are still unknown, when starting the con- struction of the diagram.
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