Electrical machinery; a practical study course on installation, operation and maintenance (1921)
Annett, Fred Anzley · New York [etc.] McGraw-Hill book company · leaf 241
force in theopposite direction; consequently there can be no motion. 224 ELECTRICAL MACHINERY For intermediate positions of the brushes, the total numberof conductors tending to move in one direction will be greaterthan the total number tending to move in the other directionunder the same pole,… … Fig. 242.—Same as Fig. 241; except brushes are shifted 90 degrees. From the foregoing it is evident that a shunt generatorcan be used as a motor. The same holds true for all the othert^pes of genei-ators, and as a matter of fact, whether a dynamo-electric macliine is called a generator or a motoi-…
Electric machinery
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