. The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting . )al)ility of reversing the motor, foi- if the coil k he turned. Fi.;. :{?. throuijh a half-icvolntion, the position of its convo!nti(»ns i-ela-tively to the two coiln ec and to the lines ()f force is reversed,andconseipiently the phases (d the current will he reversed. Thiswill ])rodnce a rotation of the motor in an opposite form (d regulator is also apj)lied with ijreat advantage toMr. Teslas system of utili/.ini; alternatiui; current
. The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting . )al)ility of reversing the motor, foi- if the coil k he turned. Fi.;. :{?. throuijh a half-icvolntion, the position of its convo!nti(»ns i-ela-tively to the two coiln ec and to the lines ()f force is reversed,andconseipiently the phases (d the current will he reversed. Thiswill ])rodnce a rotation of the motor in an opposite form (d regulator is also apj)lied with ijreat advantage toMr. Teslas system of utili/.ini; alternatiui; currents, in which themaj^netic |)oles of the field oii the ti<ld <d mai^netiziui;coils included in iner order and relations to each other. In V\ji. .m, let I represent a •generator haxiiiir t^vo inde-|)eiident coils, i- ami v , on the armatiii-e, and r a diai^ram cd a POLYPHASE CURRENTS. 49 motor having two independent energizing coils or sets of coils,R r. One of the circuits from the generator, as s s, includesone set, r r, of
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