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 261
Fig. 121. Typical Rheostat withCast-iron Grids 225 130 ELECTRIC RAILWAYS current off from the controller wiring so that the controllers will beabsolutely dead. When two such switches are used, one on each endof the car, they are connected in series. Car Circuif Breaker. Frequently on large… … Fig. 122. Rheo.stat with Grids and Other Parts Displayed the motor and car wiring from excessive current, such as wouldoccur in case of a short-circuit in motors or car wiring, or in case themotorman turned on current so rapidly as to endanger the windingsof the motors. Circuit breakers, however,…
Electrical engineering
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