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 50
lymay be cut off and the line may become dead while the motor is 38 DIRECT-CURRENT MOTORS 29 running, whereupon the motor stops of itself with the rheostat armin the running position as before. It is therefore the almost universalcustom to install rheostats which are arranged to allow the arm tofly… … m W--^. i_ o Fig. 20. Connections of Motor-Starting Rheostat with No-Voltage Release. motor fields, the rheostat arm being provided with a spring tendingto throw it back into the off position. When in the runningposition, as shown, the iron arm is held by the attraction of themagnet against the…
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
