Small motors, transformers, electromagnets; a practical presentation of design and construction data for small motors, small low- and high-tension transformers, electromagnets, and induction coils (1920)

Stoller, Hugh Montgomery, Austin, F. E. (Frank Eugene), 1873-, Seeger, Edwin Wilbur, 1892- joint author, American Technical Society · Chicago, American Technical Society · leaf 303

An illustration from Small motors, transformers, electromagnets; a practical presentation of design and construction data for small motors, small low- and high-tension transformers, electromagnets, and induction coils, 1920, leaf 303 — turns, or decreasing the frequency. SingIe=Pliase Magnets. Since alternating current is a pulsat-ing current, the flux produced by it is a pulsating flux. As thepull depends on the flux, the pull will also pulsate; that is, itwill pass through zero twice during each cycle, and the magnetwill… … Fig. 26. Arrangement of Two-PhaseElectromagnet flux out of phase with the main flux, so that the total flux, andtherefore the pull in the air gap, never passes through zero. Polyphase Magnets. Asteady pull can be obtained froma polyphase magnet by the properarrangement of the plungers orclappers.…

Electric motors · Electric transformers · Electromagnets · Induction coils

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Small motors, transformers, electromagnets; a practical presentation of design and construction data for small motors, small low- and high-tension transformers, electromagnets, and induction coils (1920)

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