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 346
Fig. 272. Cieneral Electric Three-Phase Core-Type Transformer—Case Removed 306 ALTERNATING CURRENT MACHINERY 293 order to radiate the heat due to its losses. Large transformersmust, therefore, be provided with special means for cooling. It ismuch cheaper to provide special cooling devices than to… … Fig. 273. Westinghouse Three-Phase Shell-TypeTransformer—-Tank Removed Various methods of cooling are adopted in practice, ac-cording to which the following classification of transformers maybe made: Self-cooling dry transformers.Self-cooling oil-filled transformers.Transformers cooled by forced…
Electrical engineering
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