Protection of a dyn11 transformer – Rockwell Automation 865 Differential Protection Relay User Manual
Page 153
Applications
8-11
865-UM001A-EN-P – July 2009
B
ull
et
in
86
5
Figure 8.5 – Typical differential protection of a Dyn11 transformer using Allen-Bradley 865 Relay
(Primary and Secondary Current Transformers connected according to Subtractive Polarity)
Settings:
ConnGrp
Dy11
IoCmps OFF
I’oCmps ON
Un
High side voltage
U’n
Low side voltage
Protection of a
Dyn11 Transformer
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