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 157
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: … Fig. 4,054.—Ward Leonard automatic controller for automatically regulating the charging ofthe battery. When the car speed becomes approximately seven miles per hour, thedynamo armature will give a voltage sufficient to charge the batteries. The circuit be-tween the dynamo and the batteries is…
Electrical engineering
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