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 202
ompound-wound motorwith two windings on the armature, and two commutators, one oneach end of the shaft. The two armature windings which are shown diagrammaticallyas A and A in Fig. 79 are connected in series across the line.Current at one-half line voltage is taken off between the left-hand… … 173 78 ELECTRIC RAILWAYS tiimously, no additional equipment in the control circuit wouldbe required. This apparatus, however, is designed to operate oneither 1,200- or 600-volt circuits, and as the dynamotor is not neces-sary at the lower voltage, some device must be used to cut it outof the…
Electrical engineering
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