International Library of Technology · Scranton, International Textbook Co. · leaf 499
1. Constant-Current Alternators. — The operationof arc lights in series from constant-current alternators isnot common, although large numbers are operated in par-allel from constant-potential machines. There is no par-ticular reason why a constant-current alternator cannot bebuilt, and, in fact,… … Fig. 19. must generate a high pressure, and it is not possibleto build machines of large output because of the diffi-culty of insulating them properly. In the few caseswhere lamps have been operated from constant-currentalternators, each lamp was usually supplied through atransformer connected in…
Electrical engineering
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