International Library of Technology · Scranton, International Textbook Co. · leaf 345
case 2718 THEORY OF ALTERNATING of a simple two-phase field as shown in Fig. 1569. In order tomake the action clearer, we will suppose that the coils arewound on projecting poles instead of being sunk in slots.The field i^ composed of laminations has eight polar projec-tions, four poles for each… … Fig. 1569. through either of the windings, the poles formed are alter-nately north and south; for example, i, 3^ 5, 7 would be Nand >S as shown. If such a field were connected to a two-phase alternator, we would have currents in each of the cir-cuits, differing in phase by 90° and continually…
Electrical engineering
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