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 131
d to the air asshown in figs. 1,926 and 1,927. TRANSFORMERS 1,389 Shell Transformers.—In the shell type of transformer, asshown in fig. 1,928, the core is in the form of a shell, being builtaround and through the coils. A shell transformer has, as arule, fewer turns and a higher voltage per turn… … ^LLL A A.. Ll..LU^ Fig. 1,928.—Shell type transformer. In construction the laminated core is built around andthrough the coils as shown. For large ratings this type has some advantages with respectto insulation, while for small ratings the core type is to be preferred in this respect. Theshell…
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