Wiring diagrams of electrical apparatus and installations (1913)
McGraw-Hill · New York, McGraw-Hill Book Company · leaf 105
Fig. 1-44. Fig. 145. Fig. 144.—Shunt motor. Speed regulated by inserting resistance in series with the fieldwinding. Increase in resistance increases speed. Fig. 145.—Plain compound motor. Speed characteristics depend upon design. Seriescoil tends to decrease speed with load when connected to…
Electric wiring
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