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 180
eed is desired, and where there is no danger of the load beingremoved or a belt slipping off. It is also used where the potentialis subject to sudden and large drops, as on the ends of long trolley 158 MANAGEMENT OF DYNAMO-ELECTRIC MACHINERY 37 circuits, because in such a case a shunt motor becomes… … Fig. 27. Armafure Wiring Diagram for Series-Wound Motor Connections current. The objects are: to secure a nearly constant speed withvarying loads; to enable the motor to run at high efficiency whendrawing small currents; and to prevent sparking at heavy loads.In multipolar motors having more than…
Electrical engineering
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