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 275
/, the car is at the landing corre- 239 190 ELKVATORS sponding to that brush. Hence iu the case under considerationthe car will stop at the fourth floor. It is seen that by chis arrange-ment the brushes B, 1, 2, 3, and 4 are made to passfrom one segment to the other as the car passes a floor,hence… … FiK. 145. Variable-Speed Full Magnet Elevator ControllerCourtesy of Kaeslner and Ilecht Company 340 ELEVATORS 191 The i)rece(liii_i;- (lcscrii)ti()ii makes clear the method of pusli-button control when an alternating-current motor is used. Inthose cases where the direct current is used exclusively…
Electrical engineering
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