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 176
ed. LIGHTNING PROTECTION DEVICES 1,695 Fig These arcs last for several cycles, since the length of the time of ac-tion of the arrester depends upon the lengthening of the arc betweenthe horn gaps, limited by the series resistance. Since practically all disturbances on lighting circuits are of low… … 2,382.—General Electric horn arrester for pole installation. Quite frequently seriescircuits are run underground in cables for some distance from the f^rating stationIn order to protect the cables it is advisable to place horn arresters at the points wherethe cable joins the overhead wires. The…
Electrical engineering
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