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Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1902)

Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 405

An illustration from Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book, 1902, leaf 405 — lines, so that a constant voltage willthen be maintained at some distant point from the generator.The machine is then said to be over-compounded. This over-compounding is usually designed for a rise of voltage from 5to 10 per cent of that of the machine, from no load to fullload. In design, the… … Fig. 368.—Compound Wound Dynamo.The series and shunt field act in unison. F—Fig. 360. DIRECT CURREST DYNAMOS. 387 silver shunt in parallel with the series field so that the maincurrent divides between the two circuits, Z, Fig. 371; also19, of Fig. 361. The length of the shunt can then be regu-lated…

Electricity · Magnetism

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