Improvements in and relating to the Connection of Single-phase Motors to Polyphase Circuits.

摘要

6402. Akt.-Ges. Brown, Boveri, et Cie. Nov. 18, 1909, [Convention date]. Systems for alternating-current motors only. -In the method of exciting single-phase motors from three-phase mains described in Specification 645/10, a transformer, such as an autotransformer e, f, is inserted between one of the stator windings and the mains, by means of which the voltage impressed on the stator winding may be varied.