International Library of Technology · Scranton, International Textbook Co. · leaf 279
y injured, and the use of the dovetailed 2652 THEORY OF ALTERNATING slots and wooden wedges does away with the necessity ofband wires. As the armature revolves, the coils sweeppast the pole faces, and the E. M. F. is generated in the sameway as in the case shown in Fig. 1511, i. e., the movementof… … Fig. 1513. usually connected in series. Care must be taken in connect-ing up such windings to see that the coils are so connectedthat none of the E. M. F.s oppose one another. By layingout a diagram of the winding, the manner in which the coilsmust be connected will be easily seen. This has been…
Electrical engineering
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