VAMP 265 - Page 166

7.5 Protection of a Dyn11
transformer
7 Applications
Technical description
166
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VM265.EN011
Figure 7.5-2 Differential protection of a Dyn11 transformer using VAMP
265. Primary and secondary current transformers are connected according
to additive polarity.
Settings:
ConnGrp
Dy11
IoCmps
OFF
I‟oCmps
ON
Un
High side voltage
U‟n
Low side voltage