Thomälen, Adolf, 1865-, Thomälen Adolf. Kurzes Lehrbuch der Electrotechnik. English · London, E. Arnold · leaf 384
*^2way, the reading of the lower wattmeteris equal to F.73.cos(30 + 9i), \^\ 1 V\ \ 1 \ 1 \ 1 \ \ VT? V ■* pr> / ^ / \ // .- / - / / 1 / - / 1/ ^^ / y^ r-s<^ V3 379 and will gradually decrease as the load becomes more inductive, until when(f) = 60° the wattmeter will cead zero. If the lag… … Fig 380 Fig. 381 connected up by means of copper bridges as shown in Figs. 380 and 381.In the first figure the current coil of the wattmeter is in series with phase 2,while in the second figure phase 2 is unbroken and the wattmeter is placedin phase i. In either case, the pressure coil is connected…
Electrical engineering
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