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 67
e is onlyone circuit in the series motor, the wiringis simpler. The connections are as inFig. 34, in which, however, the switchand fuses are not shown. The resistanceof the field windings is always in circuit;and this, together with its highly induc-tive character, helps to cut down the rush ■ of… … SPEED CONTROL OF SERIES MOTORSVarying the E. M.F. at Armature Terminals. As in the case ofshunt motors, all three methods of speed control are practicable, andmay be used separately or in combination. With a single motor,varying the E.M.F. at the armature is most easily accomplished bya resistance…
Electrical engineering
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