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 426
connected in series in the third-phase wire. As the potentials in the two phases are always dis-placed from each other and from the potential of the third phase by120 degrees, their resultant will be equal and opposite to the potential 38$ 88 ELECTRICAL MEASUREMENTS of the third phase; and… … J-<^ ^-WIR£S TflR CON. (^EN. BALANCED ORUNBflLflNCEJO LO/U7 Fig. 83. Measurement of Energy in a Three-Phase Four-Wire Circuit, with Three-Phase Four-Wire Watt-Hour Meter NEUTR/JL
Electrical engineering
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