Table 47:
Matrices for differential current calculation
Matrix with Zero Sequence
Reduction set to On
Matrix with Zero Sequence
Reduction set to Off
Matrix for Reference Winding
2
1
1
1
1
2
1
3
1
1
2
-
-
× -
-
-
-
é
ù
ê
ú
ê
ú
ê
ú
ë
û
EQUATION1227 V1 EN
(Equation 3)
1 0 0
0 1 0
0 0 1
é
ù
ê
ú
ê
ú
ê
ú
ë
û
EQUATION1228 V1 EN
(Equation 4)
Matrix for winding with 30°
lagging
1
-1
0
1
0
1
1
3
1 0
1
×
-
-
é
ù
ê
ú
ê
ú
ê
ú
ë
û
EQUATION1229 V1 EN
(Equation 5)
Not applicable. Matrix on the
left used.
Matrix for winding with 60°
lagging
1
2
1
1
1
1
2
3
2
1
1
-
×
-
-
é
ù
ê
ú
ê
ú
ê
ú
ë
û
EQUATION1230 V1 EN
(Equation 6)
0
1
0
0
0
1
1
0
0
-
-
-
é
ù
ê
ú
ê
ú
ê
ú
ë
û
EQUATION1231 V1 EN
(Equation 7)
Matrix for winding with 90°
lagging
0
-1
1
1
1
0
1
3
1 1
0
×
-
-
é
ù
ê
ú
ê
ú
ê
ú
ë
û
EQUATION1232 V1 EN
(Equation 8)
Not applicable. Matrix on the
left used.
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.
Table continues on next page
Section 6
1MRK502052-UEN B
Differential protection
118
Technical manual
Summary of Contents for Relion REG670
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