Electricity experimentally and practically applied; a book for the beginner and for the practical man, principles, experiments, practical applications and problems (1910)
Ashe, Sydney Whitmore · New York, D. Van Nostrand company · leaf 300
the power factor directly whenvalues of W^ and W^ are known. A complete mathemati-cal exposition of this method may be found in FrederickBedells Direct and Alternating Current Testing, page232. A curve is given on page 232 showing the rela-tions of W^ and W^. The points on this curve are… … TermincISoau Fig. 356.— G. E. Single-phase Induction Wattmeter.
Electricity · Electrical engineering
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