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 361
utescontinuous operation. They are 4-polewith rectangular cast steel frame of box-like appearance. This isshown in Fig. 92. The bearings are carried by the end plates orbonnets. Fig. 93 shows a crane trolley operated and controlledby these motors. General Electric Company. Constant speed motors of… … Fig. 94. General Electric Semi-Enclosed D L C Motor speed from 350 to 30 horsepower. The speeds of the slow speed lineare between 925 and 425 r. p. m., while those of the high speed lineare from 1250 to 650 r. p. m. The commutating pole design permitsthe construction of a machine of comparatively…
Electrical engineering
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