Phase to phase voltage
[DOC File]Split-phase electric power - Astronomy
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If one phase of a three-phase alternator is heavily loaded, its voltage will decrease due to the IR and IXL drops in the stator winding. This voltage drop cannot be compensated by modifying the dc field current because the voltages of the other two phases will also be changed.
[DOC File]Module B2 - Iowa State University
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Standard secondary voltage levels are . 120/240 single phase. 120/208 3 phase. 277/480 3 phase. The 120/240 configuration is obtained from the low-side of a HV/240 volt transformer, where HV is the rated voltage on the high voltage side, and the 240 is the rated voltage on the low voltage side. Then a center tap is connected to the low voltage ...
[DOC File]Introduction to Distribution Systems
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In this case, the transformer voltage is 120 V on either side of the center tap, giving 240 V between the two live conductors. In Europe, 230/460 V, 3-wire, single-phase systems are used to run farms and small groups of houses when only two of the three-phase high voltage conductors are available (it is cheaper to run two wires than three).
3 Phase AC - DC Power Supplies | XP Power
The other possibility is for the b-phase voltage to lead the a-phase voltage by 120(, in which case the c-phase voltage must lag the a-phase voltage by 120(. This phase sequence is known as the acb, or negative phase sequence. In phasor notation, the two possible sets of balanced phase voltages are
[DOC File]EXPERIMENT 7: ALTERNATOR CHARACTERISTICS
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With the resistance set at 400 Ohms per phase and the inductance set at 300 Ohms per phase, turn on the power supply and adjust the voltage control for 208 V rms (line to line). Measure and record the voltages and currents associated with the three inductive portions of the load.
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