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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 348

An illustration from 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, leaf 348
y the blower setbeing less than one per cent ofthe full-load output of thetransformer. The flow of airis controlled by dampers; andthe proper amount of air canbe determined from Its tem-perature as it issues from thetop; ordinarily this tempera-ture should not be more than20°C. above the… … Fig. 275. Section of Air-Blast TransformerShowing Circulating Currents 309 296 ALTERNATING-CURRENT MACHINERY case, penetrates through ducts in the core and coils, and passes outat the top of the case, as shown in Fig. 275. The process of building up the core of a shell-tjpe air-blasttransformer is…

Electrical engineering

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