Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 195
and therefore varying the torque.This series transformer is required in nearlyall cases, as it seldom happens that the volt-age most suitable for the rotor is that forwhich it is desired to wind the stator.Secondly, instead of short-circuiting Aj A^,an external voltage may be fed into thesebrushes… … Fig. U.—Single-Phase Bepnlsion Motor with the ExcitationWinding in Series with the Rotor Winding machine the stator carries two windings, sand F, at right angles to one another (seefig, 14). The axis Aj Ag of the rotor circuit isthe same as that of s, but it is connected inseries with F. The…
Electrical engineering
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
