International Library of Technology · Scranton, International Textbook Co. · leaf 301
s of the second phaseare shown dotted, and the connections between them aremade in exactly the same way as those of the first phase. 3979. For delivering heavy currents at Ioav voltages,armatures are sometimes wound with copper bars. In suchcases there is usually only one turn, or two bars, per… … Fig. 1530. flows in accordance with the arrows. Windings of this kindare used on machines for furnishing heavy currents neces-sary for electric smelting or any other purposes which callfor a large current. 3980. The two-phase windings shown in Figs. 1526,1530, and 1531 are of the simpler kind known…
Electrical engineering
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