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 445
Fig. 342. Squirrel-Cage Type of Rotor Fig. 342 is a squirrel-cage rotor. Fig. 343 is a rotor woundwith insulated wire, forming what is called a definite*, or ijolar,winding. The terminals of this winding are connected to a start-ing resistance mounted inside of the rotor. A switch is arranged… … Fig. 343. Rotor with Definite or Polar Winding with Starting Resistance Inside Core the rotor. This rod terminates in a small handle or knob at the endof the rotor shaft as shown in Fig. 343. Fig. 354 shows a completethree-phase induction motor with the knob and rod for operatingthe internal…
Electrical engineering
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