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 446
ever, by this methodit is not practicable to connect it at rest directly to the line,because the starting current would be excessive, perhaps 5 to10 times the normal current. So the motor is supplied withcurrent from transformers fitted with half-voltage taps. 275. Uses of synchronous motor. Small… … Fig. 279. Field structure of synchronous motorshowing damping grids. 404 ELECTRICITY AND MAGNETISM coils. But large synchronous motors are used on long-distancepower-transmission lines, because they have an absolutelyconstant speed. Then, too, they can be operated on a linewith a voltage of 6600…
Electricity · Magnetism
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