Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 475
ndle. Controllers with single handles are usually employed to operatetravelling cranes, turn tables, stationary and portable hoists, etc., while those having twohandles are generally used with street railway and mining equipments. 2,566 HAWKINS ELECTRICITY Motor Control Systems.—In the case of… … Figs. 3,549 and 3,550.—General Electric series parallel controller. In this type, of which there ar*several forms, the power circuits are not broken during transition from series to parallelconnections. The series parallel controller, as is well known, is used to control two motois,or two pairs of…
Electrical engineering
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