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 143
FlG. 1,945.—Cover construction of Wagner 350 kva., oil filled 1,100-2,200 volt transformer.In transformers with corrugated cases, the base and top ring arc cast to the corrugated iron sheets. Ques. Are the iron or copper losses the more im-portant, and why? Ans. The iron losses, because these arc… … Strictly speaking, on noload (that is when thesecondary circuit is open) aslight copper loss takes placein the primary coil but be-cause of its smallness is notmentioned. It is, to be ex-act, included in the expres-sion iron losses, as theprecise meaning of this termsignifies not only the…
Electrical engineering
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
