International Library of Technology · Scranton, International Textbook Co. · leaf 249
FiG. 1490. the circuit is zero. If the angle of lag becomes greater than90°, the greater part of the work becomes negative, as shown (It- … foei Fig. 1491. in Fig. 1490. If the angle of lag becomes 180°, as in Fig. 1491,i. e., if the current and E. M. F. are in opposition, the work CURRENT APPARATUS. 2623 done is all negative, and, instead of the alternator doingwork on the circuit to which it is connected, the circuitis returning…
Electrical engineering
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