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Technical description
2 Protection functions
2.12 Line differential protection
LdI> (87L)
VM59.EN001
VAMP 24h support phone +358 (0)20 753 3264
83
Table 2.12-1 Zero current compensation in transformer
applications
Transformator
Relay setting
Connection group
ConnGrp
Io cmps
I'o cmps
YNy0
Yy0
ON
OFF
YNyn0
Yy0
ON
ON
Yy0
Yy0
OFF
OFF
Yyn0
Yy0
OFF
ON
YNy6
Yy6
ON
OFF
YNyn6
Yy6
ON
ON
Yy6
Yy6
OFF
OFF
Yyn6
Yy6
OFF
ON
Yd1
Yd1
OFF
OFF
YNd1
Yd1
ON
OFF
Yd5
Yd5
OFF
OFF
YNd5
Yd5
ON
OFF
Yd7
Yd7
OFF
OFF
YNd7
Yd7
ON
OFF
Yd11
Yd11
OFF
OFF
YNd11
Yd11
ON
OFF
Dy1
Dy1
OFF
OFF
Dyn1
Dy1
OFF
ON
Dy5
Dy5
OFF
OFF
Dyn5
Dy5
OFF
ON
Dy7
Dy7
OFF
OFF
Dyn7
Dy7
OFF
ON
Dy11
Dy11
OFF
OFF
Dyn11
Dy11
OFF
ON
Содержание VAMP 59
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