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 178
In some cases where a circuit is used exclusively for a singlemotor, the speed is regulated Avithout heavy resistances by varyingthe e. m. f. of the dynamo which supplies the circuit. The dynamoregulator is then placed near the motor. The advantage is thatthe regulator is not compelled to control a… … Fig. 25. Fort Wayue Northcru Type B .Sluuit-Wound Motor (a) For lower speeds, insert resistance in series with thearmature circuit. The resulting internal resistance drop reducesthe value of the voltage applied to the armature terminals, andthus reduces the speed. (b) For higher speeds, insert…
Electrical engineering
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