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 103
85 20 MOTOR-DRIVEN MACHINERYPOWER FOR PULP MILLS The adoption of the electric drive in the pulp mill has beenextensive since uninterrupted service has been guaranteed by com-mercial power plants, A definite saving in the cost of productioncan be effected because the power developed is applied to… … Fig. 23. Sprague Motor Belted to a Cottrcll Rotary Printing PressCourtesy of Spragiie Electric Works Motor Types. In the pulp mill both alternating- and direct-current motors can be used. A large percentage of the machinesoperate at constant speed and, as the alternating-current inductionmotor is…
Electrical engineering
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