International Library of Technology · Scranton, International Textbook Co. · leaf 308
Line. Line. Fig. 1538. 3987. Instead of connecting up the phases in the Yfashion, they may be formed into a closed circuit, as shown inFig. 1538, the collector rings being attached to the point … Fig. 1539.where the phases join. This is known as the A (delta) or mesh method of connecting. This method, like the last 2682 THEORY OF ALTERNATING described, requires only three collector rings, and is exten-sively used. Fig. 1539 shows the same winding as Fig. 1534 connectedup A, and it will be…
Electrical engineering
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