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 103
uit breaker is to protect the apparatus in anelectrical circuit from undesirable effects arising from abnormalconditions, by automatically breaking the circuit. Accordinglya circuit breaker must comprise a switch in combination with 1,622 HAWKINS ELECTRICITY electrical control devices designed to… … Fig. 2,246.—Magnetic blow out circuit breaker. This is a direct current breaker in which thefinal break occurs in a magnetic field. It is a principle in electromagnetics that a con-ductor carrying a current in a magnetic field will tend to move in a direction at right angles tothe field. The arc…
Electrical engineering
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