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), 1833-1928 · New York : T. Audel & Co. · leaf 356
ill regulate from open to short circuit with a rise in secondary currentnot exceeding 10 or 11 amperes. This makes the transformer especially valuable as aprotection to the regulation of the incandescent lighting circuit, preventing possible shortcircuit in the lamp affecting the primary voltage.… … Pigs. 3,361 and 3,362.—Diagram showing connections of Adams-Bagnall alternating currentseries circuit differential control arc lamps. Fig. 3,361, connections for 133 cycles; fig.3,362, connection for 60 cycles. When the frequency is 60 cycles, the shunt solenoidsshould be connected in series; if…
Electrical engineering
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