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 193
er, becomes practically harmless. It is evident,however, that the choke coil receives the full force ot the wave, and that, consequently,it must be heavily insulated; moreover, the choke coil must not overheat under load,nor introduce into the circuit excessive inductive resistance. 1,712 HAWKIXS… … Fig. 2,411.—Westinghouse air cooled choke coil particularly suitable for outdoor use. Themethod of mounting is such that insulation for any desired voltage is readily obtainedwith the same type of porcelain, and mounting in any position is possible. The coil is ahelix of aluminum rod. about 15…
Electrical engineering
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