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The three voltages are separated by 120
the currents are also separated by 120
conditions can cause the currents to depart from the ideal 120
phase voltages and currents are usually represented with a phasor diagram. A phasor
diagram for the typical connected voltages and currents is shown in Figure 1.2.
Figure 1.2: Phasor Diagram Showing Three-phase Voltages and Currents
Electro Industries/GaugeTech
Electro Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
The Leader In Power Monitoring and Smart Grid Solutions
V
C
Phase 2
N
Phase 3
V
B
Figure 1.1: Three-phase Wye Winding
o
o
. However, unbalanced loads and other
V
C
I
C
I
V
B
B
1: Three Phase Power Measurement
Phase 1
V
A
electrically. Under balanced load conditions
o
N
I
A
V
A
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E145721
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separation. Three-
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