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 137
tion atfull load. Transformer Losses.—As previously mentioned, the ratiobetween the applied primaryvoltage and the secondary ter-minal voltage of a transformeris not always equal to the ratioof primary to secondary turnsof wire around the core. The commercial transformeris not a perfect converter… … Fig. 1.938.—Interior of General Electric oilcooled 500 kva. 33,000 volt outdoor trans-former showing lifting arrangement. 1,386 HAWKINS ELECTRICITY difference between the input and the output is equal to the sumof these losses. They are divided into two classes: 1. The iron or core losses; 2. The…
Electrical engineering
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