International Library of Technology · Scranton, International Textbook Co. · leaf 506
the same kind of alterna-tor is an advantage that goes far to outweigh the disadvan-tages of a low power factor. 50. Regulation by Means of Variable Reactance.— Fig. 23 shows another style of regulator for the operationof series alternating-current arc lamps from constant-potential circuits. It… … Fig. 23. coil is balanced so that it is near the top of the core.If lights are cut out, the current tends to increase and thecoil is pulled down. This increases the reactance of thecoil, and the increased counter E. M. F. generated in itkeeps the current down to its proper value. The regulatoris…
Electrical engineering
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