Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 90
and 89, and particularly diagrams Dand E, should be carefully compared. If the current taken from the generator is increased, thestrength of the reversing field must also be increased if commuta-tion is to be sparkless, so that the brushes must be moved nearerto the pole tips and further from the… … Fig. 91. Fig. 92. Diagrams illustrating the principle of the interpole generator. brushes are shifted forward in the direction of motion of themachine so that the short circuited coils are in a reversing mag-netic field, thus in Fig. 91 the brush B+ is moved so as to -comeunder the tip of the N…
Electrical engineering
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