PM180 Substation Automation Unit
7
Figure 2-6 Three Wire Open Delta Connection Using 2 PTs, 2 CTs (2-element)
Wiring Mode = 3OP2
Figure 2-7 Four Wire Wye Connection Using 2 PTs, 3 CTs (2½-element)
Wiring Mode = 3LL3 or 3Ln3