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 432
ch completecycle of the current. From this study it may be seen that,although the windings are stationary, a revolving magneticfield is produced, which by more careful analysis can be provedto be constant and which makes one revolution while the currentin one line wirepasses throughone cycle. In… … a b c DFig. 268. — Curves of three-phase system. 392 ELECTRICITY AND MAGNETISM
Electricity · Magnetism
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