Allen-Bradley E300 - Page 670

670 Rockwell Automation Publication 193-UM015E-EN-P - October 2015
Appendix C Wiring Diagrams
Figure 216 - Wye Configuration with Two Potential Transformers (Open Delta)
Wye L oad – Grou nded or
Ungrounded Neutral
Wye S ource – Gr ound ed or
Ungrounded Neutral
10 M
10 M
10 M
Signal Filter and
Short Circuit
Pr ot ecti on
Signal Filter and
Sh ort Cir cuit
Pr ot ecti on
Signal Filter and
Sh ort Cir cuit
Pr ot ecti on
Signal Filter and
Sh ort Cir cuit
Pr ot ecti on
CT Sensing Module
Open Delta
Potential
Transformer
V1
V2
V3
L1
L2
L3
T1
T2
T3
S1
S2