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 394
voltage, and so in-struments are graduated to read in terms of effective values. ALTERNATING-CURRENT GENERATORS 359 In a three-phase alternator the phases are often internallyconnected so that only three terminals are brought out. Figure247 represents diagrammatically theseconnections in a… … 2 Fig. 247. — Diagram indi-cating voltage relations ina three-phase Y-connectedalternator. While a-e. generators are Y-eonnected,yet among other a-c. machines it is quitecommon to find the A-connection. There-fore we shall introduce at this point the relation between phase and linecurrent and volts…
Electricity · Magnetism
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