International Library of Technology · Scranton, International Textbook Co. · leaf 361
Fig 1581. c, d, e for ring- l;f,g, h for ring ^; and k, /, m for ring 3,there being as many connections for each ring as there arepairs of poles. 4056. Fig. 1582 shows the construction of a modernthree-phase rotary transformer. The three collector ringsare seen at the left-hand end of the machine,… … Fig. 1582. transformers are built for a large range of output andfrequency. DESIGN OF ALTERNATING-CURRENT APPARATUS. ALTERNATORS. 4057. The design of alternators is in many respectssimilar to that of multipolar continuous-current machines,many of the parts being very similar. For example, themethod…
Electrical engineering
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