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Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)

Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1196

An illustration from Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .., 1913, leaf 1196
11, and Armature Winding 1167 the even numbered positions will then serve as the returnsfor these wires. It will be noticed that in the example shown there are6 coils^ comprising 12 conductors and 6 commutator seg-ments. If the armature was so designed that we had anuneven number of coils^ for… … Fig. 517 winding. Only one coil will be short-circuited at a timefor^ with the brushes set across a diameter of the commuta-tor when one brush is in such a position that it laps acrosstwo segments^ the other brush is in the center of a segment.Fig. 518 shows the connections of a drum-wound…

Steam engineering · Electrical engineering · Steam turbines

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