Chapter 2 Installation Electrical Installation
28 PM135 Powermeter Series
This configuration provides accurate power measurements only if the voltages are balanced.
Figure 2-13 4-Wire Wye 2½-Element Connection Using 2 PTs, 3 CTs (Wiring Mode = 3LL3 or 3Ln3)
Figure 2-14 3-Wire 2½-Element Open Delta Connection Using 2 PTs, 3 CTs (Wiring Mode = 3OP3)
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