Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 181
zation curve is really expressed with the co-ordinatesm. m. f. and $, i. e., between the force producing flux and the actualflux resulting. These co-ordinates are somewhat difficult to measuredirectly so that others which are proportional and more easily de-termined are employed. We have seen that… … Fig. 154. Diagram of Generator Connectionsfor Separately Excited Field 2p^zN 10« X 60 X c and in a given machine all factors (in this equation) except N,the speed, and $, the fliLx, are constant. However, if we maintain I20 too 8060 20 Volts ^ /■ / / / / Amp Ix2 res 120lOO6060■4020 3 e 9 12 Fig.…
Electrical engineering
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