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- · New York, T. Audel · leaf 307
where electric elevators are operated fromthe lighting dynamos. Boosters are usually driven by electric motors directly connected tothem, though any form of driving power may be used. STORAGE BATTERY SYSTEMS 995 or a proportional part thereof passes. The armature of theexciter is connected to the… … t- J L z <^ o — ->- LlI 1- o — -f- — <£ s: — GROUND Fig. 1,204.—Battery system with regulation for l?ng feeders, for installating where it is desir-able to locate the battery at a point remote from the station ?nd avoid any equiprrentrequiring constant attention at the ba.tery end. The…
Electrical engineering
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