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 265
rollerCourtesy of Kaestner and Ilecht Company slower speed—the field resistance is always in, except when thesolenoid is energized. The effect of this arrangement is to produce 231 182 ELEVATORS a fairly high speed with comparatively light loads; while with aheavily loaded car, the speed is… … PERMANENTFIELD RESISTANCE 5PEEDIN6 RESISTANCE MlATCh LIMIT6WITCh OOWN- Fig. 137. Wiring Diagram of Two-Speed Full Magnet Controller one, top row) for controlling the brake. This controller gives threespeeds and is designed for use with motors equipped with interpohfields and heavy series winding,…
Electrical engineering
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