Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 343
e. Alljoints on the tank are heavily riveted and thoroughly caulked tomake them oil tight. Three=Phase Transformers. During the past few years thesize of transformer units has been steadily increasing in response 303 290 ALTERNATING-CURRENT MACHINERY to the demand from the power companies engaged… … Fig. 271. General Electric Water-CooledTransformer Completely Assembled tice. These conditions have caused a demand for large three-phasetransformers, which under certain conditions are to be preferred tothree single-phase transformers of the same aggregate capacity,but no general rule can be given…
Electrical engineering
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