International Library of Technology · Scranton, International Textbook Co. · leaf 495
and below the armature, was used in the old Hoch-hausen dynamos, also by the Thomson-Houston Companyfor their old S. R. G. railway motors, and by others. 3200. With this arrangement of the magnetizing coils,a consequent-pole bipolar magnet is not possible; but by reversing one of thecoils so that… … 2028 APPLIED ELECTRICITY. suitable pole-pieces at these points, a four-pole magnet results,as represented in Fig. 1191. It will be seen that this mag-net has one pair of salient poles N and N, and one pairof consequent poles 5 and vS. This gives a very compactform of four-pole magnet, and is used…
Electrical engineering
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