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 266
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,… … Fig. 138. Three-Speed Full Magnet Controller for High-Speed Passenger ElevatorCourtesy of Kaestner and Hecht Company 233 184 ELEVATORS magnet controller with interlocking magnet and an extra line switchfor 500 volts direct current. Fiish-Bidton Control. Manipulation. Elevators using push-…
Electrical engineering
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