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 156
the speed at any moment. Tokeep down the strength of the current in theshunt field coil one terminal of the latter may be connected beyond the iron ballastcoil instead of between that and the armature and the ballast coil as in fig. 4,052. Withthis arrangement better results are obtained, but, as… … ING SELF-STARTERS AND LIGHTING SYSTEMS 2,811 Methods of Control.—In any electric system where there isa dynamo and a storage battery, two control elements are neces-sary for the proper working of the system:
Electrical engineering
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