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 101
for the low tension circuit. This requirement prohibits the use of a magnetic core which, if economically de-signed for normal operation, would become saturated at higher den-sities, or, if designed large enough to avoid saturation at short circuitconditions, would become prohibitive in cost and… … Fig. 2,244.—Westinghouse magnetic blow out circuit breaker, designed for the protectionof street railway and electric locomotive equipments; it serves the combined purposeof fuse block and canopy switch. The contact tips are surrounded by a moulded arcchute which confines and directs the arc until…
Electrical engineering
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