Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 641
rive at the number of watts registered by the Avattmeter, use the fol-loAving formula : Watts —-?pK- Where R =r complete number of revolutions of the disk in time T.T= time in seconds of revolutions 1L K = constant. (For Avattmeters Avhich are used Avith both series andshunt transformers, but… … STANDARD WESTINGHOUSE WESTINGHOUSE INTEGRATING INTEGRATING WATTMETER,WATTMETER Fig. 31. as standards, use one of same capacity and voltage as those under test.Load the circuit into Avhich the Avattmeter is connected. If the disk of theinstrument under test runs in synchronism with the standard…
Electrical engineering
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