Thomälen, Adolf, 1865-, Thomälen Adolf. Kurzes Lehrbuch der Electrotechnik. English · London, E. Arnold · leaf 394
Fig. 389gap are approximately constant. Taking the mean of the two limiting values^^^^^^ ^ I-I66 + I-I55 , ^ ^ , > ^mean= ^ ■i^ .q .1 = IT^ .q .1 (168). The flux produced is proportional to the excitation. The rotating fieldhas therefore an approximately constant number of lines of force, but c… … Fig. 390 maximum flux density which varies, according to Figs. 388 and 389, in th(ratio of 2 to 1-73. The two-phase motor is inferior to the three-phase iithis respect, since the fluctuations in its maximum flux density are muclgreater, as can be seen on reference to Section iii. The mean value of…
Electrical engineering
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