ABB RET650 Technical Manual page 97

1MRK 504 135-UEN A
Technical manual
Matrix for winding with 120°
lagging
Matrix for winding with 150°
lagging
Matrix for winding which is in
opposite phase
Matrix for winding with 150°
leading
Matrix for winding with 120°
leading
Matrix for winding with 90°
leading
Matrix for winding with 60°
leading
Matrix for winding with 30°
leading
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:
Matrix with Zero Sequence
Reduction set to On
é - - ù
1 1 2
1 ê ú
× - -
2 1 1
ê ú
3
ê ú
- -
ë 1 2 1 û
(Equation 9)
EQUATION1233 V1 EN
é ù
-1 0 1
1 ê ú
× -
1 1 0
ê ú
3
ê ú
-
ë 0 1 1 û
(Equation 11)
EQUATION1235 V1 EN
-
é ù
2 1 1
1 ê ú
× -
1 2 1
ê ú
3
ê ú
-
ë 1 1 2 û
(Equation 12)
EQUATION1236 V1 EN
é ù
-1 1 0
1 ê ú
× -
0 1 1
ê ú
3
ê ú
-
ë 1 0 1 û
(Equation 14)
EQUATION1238 V1 EN
é - - ù
1 2 1
1 ê ú
× - -
1 1 2
ê ú
3
ê ú
- -
ë 2 1 1 û
(Equation 15)
EQUATION1239 V1 EN
é ù
0 1 -1
1 ê ú
×
-1 0 1
ê ú
3
ê ú
-
ë 1 1 0 û
(Equation 17)
EQUATION1241 V1 EN
-
é ù
1 1 2
1 ê ú
× -
2 1 1
ê ú
3
ê ú
-
ë 1 2 1 û
(Equation 18)
EQUATION1242 V1 EN
é ù
1 0 -1
1 ê ú
×
-1 1 0
ê ú
3
ê ú
-
ë 0 1 1 û
(Equation 20)
EQUATION1244 V1 EN
Section 6
Differential protection
Matrix with Zero Sequence
Reduction set to Off
é ù
0 0 1
ê ú
1 0 0
ê ú
ê ú
ë 0 1 0 û
(Equation 10)
EQUATION1234 V1 EN
Not applicable. Matrix on the
left used.
-
é ù
1 0 0
ê ú
-
0 1 0
ê ú
ê ú
-
ë 0 0 1 û
(Equation 13)
EQUATION1237 V1 EN
Not applicable. Matrix on the
left used.
é ù
0 1 0
ê ú
0 0 1
ê ú
ê ú
ë 1 0 0 û
(Equation 16)
EQUATION1240 V1 EN
Not applicable. Matrix on the
left used.
é - ù
0 0 1
ê ú
-
1 0 0
ê ú
ê ú
-
ë 0 1 0 û
(Equation 19)
EQUATION1243 V1 EN
Not applicable. Matrix on the
left used.
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