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 319
mers are to be used with other apparatusfor which an over-load capacity in excess of 25 per cent is guaranteed,the same guarantee should apply to the transformers. Abnormal Conditions of Operation. Transformers are fre-quently used under conditions departing more or less widely fromthe conditions… … ALTERNATING-CURRENT MACHINERY 269 The increase of core loss due to increase of primary appliedvoltage, or to decrease of frequency, or to both, may be compen-sated for by reducing the allowable current output, and therebyreducing the copper loss, in order that the total heating of the trans-former…
Electrical engineering
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