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 170
ia-tions in the number of machines in operation at a time, or thecharacter of work being preformed. 3. Variable torque at variable speed. 382 HAWKINS ELECTRICITY Suitable for electric railway work. For example: when a car isstarted, the torque is at its maximum value and the speed zero, butas the… … RHEOST/VT Fig. 430.—Variable field method of spaed regulation of series motor. The field winding isdivided into a number of sections with leads connecting with switch contact points asillustrated. The speed then is regulated by cutting in or out of the circuit sections of thefield winding thus…
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
