Allen-Bradley E300 - Page 679

Rockwell Automation Publication 193-UM015E-EN-P - October 2015 679
Wiring Diagrams Appendix C
Figure 225 - Wye with Delta-to-Wye Potential Transformers
Wye L oa d – Gr ou nd ed or
Ungrounded Neutral
Wye S ource – Gr ound ed or
Ungrounded Neutral
Delta to Wye
Potential Transformer
10 M
10 M
10 M
Signal Filter and
Short Circuit
Pr ot ecti on
Signal Filter and
Sh ort Ci rcui t
Pr ot ecti on
Signal Filter and
Sh ort Ci rcui t
Pr ot ecti on
Signal Filter and
Sh ort Ci rcui t
Pr ot ecti on
CT Sensing Module
V1
V2
V3
L1
L2
L3
T1
T2
T3
S1
S2