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 191
oil are performed by the endturns of a transformer and extra insulation is invariably installed in allpower transformers built in recent years. The choice of choke coils must be influenced by the condition ofinsulation in the transformers as well as by the cost, pressure regulation,and nature of… … Figs. 2,407 to 2,409.—General Electric choke coils, tig. 2 407. hour glass choke coil, 45,000volts; fig. 2,408, low voltage choke coil, 6,600 \ouz,, fig. 2,409, low voltage choke coil,4,600 volts. the oscillation so that whatever charge gets through the chokecoil will be of a frequency too low to…
Electrical engineering
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