A.C. motor equipment in connection with Wellman mule haulage built for Koppers Construction Co. for placing railroad cars on cradle of revolving car dumper; electric equipment consists of 500 hp. main motor operated from 2300 volts, three phase, 60 cycle, with two-speed torque motor operating at 440 volts to give necessary slow-down features.
Mule car haulage operated by A.C.
Elec. World
Electrical World ; 97 , n 16
1931
1 Fig.
Article (Journal)
English
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Engineering Index Backfile | 1921
|Electrically-operated slipway haulage
Engineering Index Backfile | 1906