Electrical machinery; a practical study course on installation, operation and maintenance (1921)
Annett, Fred Anzley · New York [etc.] McGraw-Hill book company · leaf 410
r ofthe A poles as shown in Fig. 460. A similar condition wouldbe obtained in Fig. 459 if magnet B is removed as in Fig. 461.There the center of the magnetic Held has shifted from be-tween the B and A magnets to the center of magnet A. Comparing Fig. 454 with Fig. 461, it is seen that the centerof… … ; i 1 : .^ l-.-Jj:^j^ •:•. >!• \ \ Hi j i 7^^^ -^ / k^::^—- Fig. 460 Fig. 461 FlS. 460.—Same as Fig. 452, but 180 degrees later. Fig. 461.—Shows magnetic conditions in Fig. 460. 452 to 460, the magnetic field has shifted from the center ofmagnets A^ and A.^, maximum value N poles, to the center…
Electric machinery
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