Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 373
Fig. 25. Full-Load Positionof Secondary Coils. … Fig.. 26. Half-Load Positionof Secondary Coils. The transformers are enclosed in cast iron or sheet iron tanks filled withtransil oil. The oil, in addition to being an insulating and cooling medium,serves to dampen any sudden movement of the secondary coils. These transformers are connected to the…
Electrical engineering
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