Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 74
ss commutation. Ques. What is the difference between the normalneutral plane and the neutral plane? Ans. This is illustrated in figs. 301 and 302. The normalneutral plane is the position of zero induction assuming no 286 HAWKINS ELECTRICITY distortion of the field as in fig. 301. The neutral plane… … NORMAL PLANE JDFMAXIMUM INDUCTION PLANE OF MAX/MUM INDUCTION Fig. 302.—Brush adjustment for feld distortion. The effect of the latter is to twist the linesof force around in the direction of rotation, thus rnaximum induction takes place in aninclined plane. The brushes then must be advanced to the…
Electrical engineering
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