The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting (1894)
Martin, Thomas Commerford, 1856-1924, Tesla, Nikola, 1856-1943 · New York : The Electrical Engineer · leaf 116
e the best results, its poles are dividedinto two series and the number of poles is ^^rtually reduced one-half, which being acted upon by the same nmnber of alternationstend to rotate the armature at t^vice the speed. By this meanstlie main armature is more easily brought to or above the… … Fir:. 78. Fi(i. 7!». shown ill Kig. so, ill wliich .1 .1 arc tin* tii-ld <-oil.s of the svii-cliroiiizing, and 11 1 the tiehl coils of the toripic motoi-. i. i. areth(^ coiuhictors ()f the main line. ()ne end of, sav, coils 11 is con-iKMtcd to wire I. through a sclt-iiidiiction coil m. ( )iic…
Electric currents, Alternating · Electrical engineering
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