Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 316
Fig. 2.—Three-wire Two-phase System times that in the other two, and the systemreally becomes an unsymmetrical three-phasesystem, having a right-angled triangle ofvoltages between the three conductors. The … system is also unsymmetrical with regard tothe resistance drop on the two phases, sincethe drop in the common return conductor is46° out of phase with either current. Power measurement in a two-phase four-wire system is efiected with two wattmeters,placed one in each circuit. In a…
Electrical engineering
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