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 124
nding ofa transformer is open or disconnected from the secondarycircuit no current will flow in the winding, but a very smallcurrent called the no load current will flow in the primary circuit. 1,382 HAWKINS ELECTRICITY The reason for this is as follows: The current flowing in the primarywinding… … FlG. 1,920.—Wagner coils with insulation ready for core assembly. The flat coils, sometimescalled pancake coils, are wound of flat, cotton covered, copper scrip with ample insulationbetween layers. In heavy coils several flat strips in multiple are iised per turn in order tofacilitate the winding…
Electrical engineering
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