Alternating currents and alternating current machinery; being volume II of the text-book on electromagnetism and the construction of dynamos (1896)
Jackson, Dugald C. (Dugald Caleb), 1865-, Jackson, John Price, b. 1868 · New York The Macmillan company; [etc., etc.] · leaf 501
of thesecond transformer, which consists of a non-inductiveresistance. To determine the differences and theirphase relations, a contact maker and electrometer wereused (Sect. 78, 3). The connections were arranged as shown (Fig. 221)*and a series of curves were obtained for various loadswhich are… … EFFICIENCY AND LOSSES. 479 The results of these tests showed the efficiencies ofWestinghouse transformers of 6500 watts capacity to be
Electric currents, Alternating · Electric machinery -- Alternating current
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