Rockwell Automation 865 Differential Protection Relay - Manual (Page 156)

8-14 Applications
865-UM001A-EN-P – July 2009
B
ull
et
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865
Figure 8.8 – Typical differential Protection of a YNd11 Transformer and Generator using Allen-Bradley 865 Relay
Settings:
ConnGrp Yd11
IoCmps ON
I’oCmps OFF
Un
High side voltage
U’n Low side voltage
Protection of Generator
and Block Transformer