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 439
ting Resistance in the Rotor Windings. The speed ofthe rotor for which the maximum torque occurs, depends upon theresistance of the rotor windings, and it is advantageous under cer-tain conditions of operation to provide at starting such resistancein these windings as to at once produce the maximum… … F(o/or Speed Fig. 337. Graphical Relation of Torque and Speedof Induction Motor 394 ALTERNATING-CURRENT MACHINERY 377 is the reaction of the torque which it exerts on the rotor. Let this torque be represented by T. Then the power expended in driving the field magnet is 2nnT, and the mechanical…
Electrical engineering
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