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 80
ries with one another. The armature coils inthis case, as in the j)revious figure, are wound for different self-induction to correspond with the field coils. Another modification is shown in Fig. 46. In this case onlyone armature-coil, as d, is included in the line-circuit, while theother, as c, is… … Fk;. -is. increased. In such a dis])()siti(>n as shown in Fig. 4(!, the op]i»»-site conditions would exist. In b(»th instances, however, thereis the advantage of dispensing with one contact-ring. In Fig. 4(1 th(! two fiehl-coils and the armature-coil n arc inmultii)le arc. In Fig. 47 this…
Electric currents, Alternating · Electrical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.