6) Four Wire Wye Connection Using 3 PTs, 3 CTs (3-element)
This configuration can be used with either 660V or 120V input. The instrument
senses the three line-to-neutral voltages and three line currents as shown in Figure 2-
10. The common taps of the PT secondaries are connected to terminal 11.
Figure 2-10 4-wire Wye Connection Using 3 PTs, 3 CTs (3-element) WIRING MODE 4Ln3/4LL3
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