An elementary book on electricity and magnetism and their applications (1919)
Jackson, Dugald C. (Dugald Caleb), 1865-1951, Jackson, John Price, b. 1868, Black, Newton Henry, b. 1874 · New York, The Macmillian Co · leaf 438
in use.As the handle is moved to theright, resistance is cut out andfinally the rotor winding is short-circuited. 269. Speed and slip of induc-tion motor. We have alreadyseen that the rotor follows therotating magnetic field but itnever quite catches up withthe field. Since there is alwayssome… … Rheostat Fig. 274. — Connections for startingwith resistance in rotor circuit. 396 ELECTRICITY AND MAGNETISM 898 r.p.m. at no load ; hence the rotor is said to slip 2 r.p.m. oiabout 0.2 per cent. In other words, Slip = Difference between rotor speed and field speed; or, expressed in percentage, 01.…
Electricity · Magnetism
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