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 65
ge machines. For alterna-tors, this is much greater and depends on the power factor of theload. A fair value for the regulation of alternators on non-inductiveload is 10 per cent. Mechanical Features. Motor-generator sets, boosters, frequency changers, and other rotating devices come under the head… … Fig. 14. Air-Cooled Transformer 58 POWER STATIONS 43 vice versa, at the substation, may be of three general types, accord-ing to the method of cooHng. Large transformers require artificialmeans of cooling, if they are not to be too bulky and expensive. Theymay be air-cooled, oil-cooled, or…
Electrical engineering
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