. The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting . rt cort wouiullongitudinally with insulated coils a a, wliicli are connected upin series, the terminals of tlie series being connected to collecting-rings a a on the shaft (;. l>_v means of this shaft the armatureis mounted t(» rotate between the ])oles of an annular field-mag-net i>, formed with |)olar projections wound with coils i:, thatmagnetize the saitl projections. The coils k are included in thecircuit of a generator i\ by means (»f whi
. The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting . rt cort wouiullongitudinally with insulated coils a a, wliicli are connected upin series, the terminals of tlie series being connected to collecting-rings a a on the shaft (;. l>_v means of this shaft the armatureis mounted t(» rotate between the ])oles of an annular field-mag-net i>, formed with |)olar projections wound with coils i:, thatmagnetize the saitl projections. The coils k are included in thecircuit of a generator i\ by means (»f which the field-magnet isenertJ:ized. If thus constucted, the maehiiie is a wcll-kiiowiiform of alternating-current generator, io adapt it to his sys-tem, however, ^Ir. Tesla winds on armature c a second set ofcoils B ij intermediate to tlie first, or, in other words, in such po-sitions that while the coils of one set are in the relative j»ositionsto the pol?s of the field-magnet to produce the maximum current,those of the other set will be in the position in which they pro-duce the minimum cui-reiit. The coils i; are coiinecti-d, also, in. Fiarticular f(»rni of machine. In Iigs. ;.(•and .SI a generator and motor of another well-known type areshown. In Iig. ;><•, .i .1 are magnets dis|)oscd in a circle andwound with coils k, which are in circuit with a generator which POLYPHASE CURRENTS. 39 supplies the current tliat maintain.^ tl
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Keywords: ., bookcentury1800, bookdecade1890, bookidinventionsre, bookyear1894
