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 162
good transformer. The principal factor in securing a high allday efficiency is to keep the core loss as low as possible. Thecore loss is constant—it continues while current is supplied tothe primary, while copper loss takes place only when the sec-ondary is delivering energy. In general, if a…
Electrical engineering
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