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 186
an arrester for a grounded neutral circuit, each stack ofcones normally receives the neutral pressure when the arresterdischarges, but if a phase become accidently grounded, the linevoltage is thrown across each of the other stacks of cones untilthe circuit breaker opens the circuit. The line… … Fig.2,398.—Westinghouse electrolytic station lightning arrester for direct current up to 1,500volts consists of a tank of oil in which are placed, on properly insulated supports, a nest ofcup shaped aluminum trays. Thespacesbetweenthetraysarefilled with electrolyte, a suffi-cient quantity for one…
Electrical engineering
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