The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting (1894)
Martin, Thomas Commerford, 1856-1924, Tesla, Nikola, 1856-1943 · New York : The Electrical Engineer · leaf 56
erators one. This would be readily accomplished by adding twointermediate poles to the generator or altering it in any of theother equivalent ways above indicated. The same rule appliesto generators and motors with multiple poles. For instance, if agenerator be constructed with two circuits, each… … Fig. 28. Fk;. 29. iiiugnotic poles at all times, the mtatidii of the two will be syn-chronous; but if the motor-coils produce but six poles, the movableelement will be rotated twice while the generator rotates once; orif the motor Jiave four poles, its rotation will be three tiiius asfast as that…
Electric currents, Alternating · Electrical engineering
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