Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 418
total power in watts; E is the electromotive forcein volts across each phase; and I is the intensity of current in am-peres in each phase. Two-Phase Three-Wire. In a two-phase three-wire circuit, thecurrent in the common wire is equal to the vector sum of the currentsin each phase. In a balanced… … Z-4 4-W//?£ BflLMNCED OK CCNERflTOK UNBfiLRNCED LOflD Fig. 77. Two-Phase, Four-Wire Interconnected Circuit with Two Watt-HourMeters Connected in phase. The potential between the two-phase wires will be thevector sum of the two potentials which differ in phase by 90 degrees,and consequently will be…
Electrical engineering
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