Matrix with Zero Sequence
Reduction set to On
Matrix with Zero Sequence
Reduction set to Off
Matrix for winding with 120°
lagging
1
1
2
1
2
1
1
3
1
2
1
-
-
×
-
-
-
-
é
ù
ê
ú
ê
ú
ê
ú
ë
û
EQUATION1233 V1 EN
(Equation 9)
0 0 1
1 0 0
0 1 0
é
ù
ê
ú
ê
ú
ê
ú
ë
û
EQUATION1234 V1 EN
(Equation 10)
Matrix for winding with 150°
lagging
-1
0
1
1
1
1
0
3
0
1
1
×
-
-
é
ù
ê
ú
ê
ú
ê
ú
ë
û
EQUATION1235 V1 EN
(Equation 11)
Not applicable. Matrix on the
left used.
Matrix for winding which is in
opposite phase
2
1
1
1
1
2
1
3
1
1
2
-
×
-
-
é
ù
ê
ú
ê
ú
ê
ú
ë
û
EQUATION1236 V1 EN
(Equation 12)
1
0
0
0
1
0
0
0
1
-
-
-
é
ù
ê
ú
ê
ú
ê
ú
ë
û
EQUATION1237 V1 EN
(Equation 13)
Matrix for winding with 150°
leading
-1
1
0
1
0
1
1
3
1
0
1
×
-
-
é
ù
ê
ú
ê
ú
ê
ú
ë
û
EQUATION1238 V1 EN
(Equation 14)
Not applicable. Matrix on the
left used.
Matrix for winding with 120°
leading
1
2
1
1
1
1
2
3
2
1
1
-
-
× -
-
-
-
é
ù
ê
ú
ê
ú
ê
ú
ë
û
EQUATION1239 V1 EN
(Equation 15)
0 1 0
0 0 1
1 0 0
é
ù
ê
ú
ê
ú
ê
ú
ë
û
EQUATION1240 V1 EN
(Equation 16)
Matrix for winding with 90°
leading
0
1
-1
1
-1
0
1
3
1
1 0
×
-
é
ù
ê
ú
ê
ú
ê
ú
ë
û
EQUATION1241 V1 EN
(Equation 17)
Not applicable. Matrix on the
left used.
Matrix for winding with 60°
leading
1
1
2
1
2
1
1
3
1
2
1
-
× -
-
é
ù
ê
ú
ê
ú
ê
ú
ë
û
EQUATION1242 V1 EN
(Equation 18)
0
0
1
1
0
0
0
1
0
-
-
-
é
ù
ê
ú
ê
ú
ê
ú
ë
û
EQUATION1243 V1 EN
(Equation 19)
Matrix for winding with 30°
leading
1
0
-1
1
-1
1
0
3
0
1 1
×
-
é
ù
ê
ú
ê
ú
ê
ú
ë
û
EQUATION1244 V1 EN
(Equation 20)
Not applicable. Matrix on the
left used.
By using this table we can derive a complete calculation for all common transformer
configuration. For example when considering a YNd5 power transformer the
following can be concluded:
1MRK 504 135-UEN A
Section 6
Differential protection
91
Technical manual
Summary of Contents for ret650
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