Dynamo electric machinery; its design, construction, and operation; direct-current machines (1915)
Sheldon, Samuel, 1862-1920, Hausmann, Erich, 1886- joint author · New York, D. Van Nostrand Company; · leaf 73
t and rear windingpitches cannot be equaland the difference be- Fig. 28. tween them must be some multiple of 2. If there be twoinductors per slot, and the lower ones be even-numberedand the upper ones odd-numbered, as usual, then the frontand rear winding pitches must be odd, and therefore themean… … 62 DYNAMO ELECTRIC MACHINERY. Herefrom the mean winding pitch is but frequently values of X are taken which are considerablysmaller than the value obtained from this formula. In the present case, for example, y^ = 12 instead of —. Such wind- 6 ings are called short-chord zvindings. As previously…
Electric machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
