International Library of Technology · Scranton, International Textbook Co. · leaf 259
ators, a regulator beingused in each circuit to keep the current at a constantvalue. The . series-incandescent system of street lightingis especially useful for small plants, where it would notpay to install separate arc-light dynamos. The system isalso used in larger places on streets that are… … 3 Transformer FIG. 36. the alternator A. Suppose, for example, that the pressuregenerated by the dynamo is 1,000 volts; then if each lamprequired, say, 20 volts, 50 lamps would have to be run in 62 ELECTRIC LIGHTING. § 16 series in order to take up the full voltage of the dynamo.Lamps for use on…
Electrical engineering
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