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 422
motor is, therefore, controlled byinserting in the secondary circuitan external resistance adjustedby means of a suitable controllerconnected to the slip rings. Itmay be designed for starting dutyonly, or for both starting andspeed regulation. This controlleris non-reversing and is designedto… … lig. 176. Stator of Bell Automatic Single-Phase Motor 382 TYPES OF GENERATORS AND MOTORS 137 from I to 15 h. p. for 110 or 220 volts, GO cycles. Their generalappearance is shown by Fig. 174. The line current passes into thefield or stator winding only, all currents in the armature being devel-
Electrical engineering
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