International Library of Technology · Scranton, International Textbook Co. · leaf 358
ints tothe next, it will not short-circuit a section of the trans-FlG- 65- former, because the choke coil has a counter E. M. F. set up in it, thus preventing anyrush of current. By tracing out the connections, it will beseen that they are equivalent to those shown in Fig. 64, thesecondary 5 being… … 55. A number of regulators are in use in which the volt-age in the secondary is varied by changing its position withregard to the primary, instead of cutting turns in or out.By having the secondary coil movable, it can be arrangedso that the amount of magnetic flux passing through it canbe varied,…
Electrical engineering
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