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 149
adapted to air cooling? Ans. They are built up high and thin, and assembled withspaces between them, for the circulation of the air. TRANSFORMERS 1.407 Ques. What are the requirements with respect to theair supply in forced draught transformers? Ans. Air blast transformers require a large volume of… … SECONDARYTERMINALS Fig. 1,964.—Forced draught or air blast transformer. As is indicated by the classification,this type of transformer is cooled by forcing a current of air through ducts, provided betweenthe coils and between sectionalized portions of the core. The cold air is forced throughthe…
Electrical engineering
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