Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 73
the samedirection, the speed of the rotor will be E -f E(neglecting slip). If the member carrying Band c be held stationary, the speed will be 364 Motor E, and if the connections to D be reversed,so as to occasion rotation in opposite direc-tions, the speed will be R — E. Three speeds are thus… … y^y>7777. W J- Three-speed Spinner Motor in Scotland, Feb. 18, 1908; and before theInst, of Civil Engineers, Dec. 7, 1909.) [w. B. H.J Motor, Starting. — Ac motors of thesynchronous type, including rotary conver-ters, are not readily made self-starting; asmall starting motor therefore is often…
Electrical engineering
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