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 480
d to overcome core loss is very low. In fact,practically all the watts supplied are used up in heating the con-ductors of the stator and rotor. The watts input, tlierefore, fornormal rated full-load current but with rotor blocked, may be takenas a measure of the total PR losses (primary and… … i/o//s betv^een Terntino/s Fig. 361. Curve for Impedance Test ofInduction Motor 431 414 ALTERNATING-CURRENT MACHINERY considered, the efficiency of an induction motor, at a given load isequal to the output, divided by the output plus the losses, at thatload. All the losses can be determined from…
Electrical engineering
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