The mechanical engineer's pocket-book. A reference-book of rules, tables, data, and formulæ, for the use of engineers, mechanics, and students (1910)
Kent, William, 1851-1918 · New York, J. Wiley & sons · leaf 1445
Fig. 214. Fig. 215. the wattmeter readings gives the power in the system. If the circuits areperfectly balanced, three times the reading of one wattmeter is the totalpower. The power in a A-connected system may be measured by two watt-meters, as shown in Fig. 216. If the power factor of the system…
Mechanical engineering
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