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GE Multilin
T60 Transformer Protection System
5-87
5 SETTINGS
5.4 SYSTEM SETUP
5
In our example, the following phase and zero-sequence compensation equations would be used:
For Winding 1:
;
;
(EQ 5.16)
For Winding 2:
;
;
(EQ 5.17)
g) MAGNITUDE, PHASE ANGLE, AND ZERO SEQUENCE COMPENSATION
Complete magnitude, phase angle, and zero sequence compensation is as follows:
(EQ 5.18)
(EQ 5.19)
(EQ 5.20)
where:
,
, and
= magnitude, phase and zero sequence compensated winding
w
phase currents
= magnitude compensation factor for winding
w
(see previous sections)
,
, and
= phase and zero sequence compensated winding
w
phase currents (see earlier)
240° lag
270° lag
300° lag
330° lag
Table 5–7: PHASE AND ZERO SEQUENCE COMPENSATION FOR TYPICAL VALUES OF
Φ
comp
Φ
comp
[
w
]
Grounding[
w
] = “Not within zone”
Grounding[
w
] = “Within zone”
I
A
p
w
[ ]
I
C
w
[ ]
=
I
B
p
w
[ ]
I
A
w
[ ]
=
I
C
p
w
[ ]
I
B
w
[ ]
=
I
A
p
w
[ ]
2
3
---
I
C
w
[ ]
1
3
---
I
A
w
[ ]
–
1
3
---
I
B
w
[ ]
–
=
I
B
p
w
[ ]
2
3
---
I
A
w
[ ]
1
3
---
I
B
w
[ ]
–
1
3
---
I
C
w
[ ]
–
=
I
C
p
w
[ ]
2
3
---
I
B
w
[ ]
1
3
---
I
A
w
[ ]
–
1
3
---
I
C
w
[ ]
–
=
I
A
p
w
[ ]
1
3
-------
I
C
w
[ ]
1
3
-------
I
B
w
[ ]
–
=
I
B
p
w
[ ]
1
3
-------
I
A
w
[ ]
1
3
-------
I
C
w
[ ]
–
=
I
C
p
w
[ ]
1
3
-------
I
B
w
[ ]
1
3
-------
I
A
w
[ ]
–
=
I
A
p
w
[ ]
1
3
-------
I
C
w
[ ]
1
3
-------
I
B
w
[ ]
–
=
I
B
p
w
[ ]
1
3
-------
I
A
w
[ ]
1
3
-------
I
C
w
[ ]
–
=
I
C
p
w
[ ]
1
3
-------
I
B
w
[ ]
1
3
-------
I
A
w
[ ]
–
=
I
A
p
w
[ ]
I
B
w
[ ]
–
=
I
B
p
w
[ ]
I
C
w
[ ]
–
=
I
C
p
w
[ ]
I
A
w
[ ]
–
=
I
A
p
w
[ ]
2
3
---
I
B
w
[ ]
–
1
3
---
I
A
w
[ ]
1
3
---
I
C
w
[ ]
+
+
=
I
B
p
w
[ ]
2
3
---
I
C
w
[ ]
–
1
3
---
I
A
w
[ ]
1
3
---
I
B
w
[ ]
+
+
=
I
C
p
w
[ ]
2
3
---
I
A
w
[ ]
–
1
3
---
I
B
w
[ ]
1
3
---
I
C
w
[ ]
+
+
=
I
A
p
w
[ ]
1
3
-------
I
A
w
[ ]
1
3
-------
I
B
w
[ ]
–
=
I
B
p
w
[ ]
1
3
-------
I
B
w
[ ]
1
3
-------
I
C
w
[ ]
–
=
I
C
p
w
[ ]
1
3
-------
I
C
w
[ ]
1
3
-------
I
A
w
[ ]
–
=
I
A
p
w
[ ]
1
3
-------
I
A
w
[ ]
1
3
-------
I
B
w
[ ]
–
=
I
B
p
w
[ ]
1
3
-------
I
B
w
[ ]
1
3
-------
I
C
w
[ ]
–
=
I
C
p
w
[ ]
1
3
-------
I
C
w
[ ]
1
3
-------
I
A
w
[ ]
–
=
I
A
p
1
[ ]
2
3
---
I
A
1
[ ]
1
3
---
I
B
1
[ ]
–
1
3
---
I
C
1
[ ]
–
=
I
B
p
1
[ ]
2
3
---
I
B
1
[ ]
1
3
---
I
A
1
[ ]
–
1
3
---
I
C
1
[ ]
–
=
I
C
p
1
[ ]
2
3
---
I
C
1
[ ]
1
3
---
I
A
1
[ ]
–
1
3
---
I
B
1
[ ]
–
=
I
A
p
w
[ ]
1
3
-------
I
A
2
[ ]
1
3
-------
I
B
2
[ ]
–
=
I
B
p
w
[ ]
1
3
-------
I
B
2
[ ]
1
3
-------
I
C
2
[ ]
–
=
I
C
p
w
[ ]
1
3
-------
I
C
2
[ ]
1
3
-------
I
A
2
[ ]
–
=
I
A
c
w
[ ]
M w
[ ]
I
A
p
w
[ ]
×
=
, where
w
1 2
…
w
total
, , ,
=
I
B
c
w
[ ]
M w
[ ]
I
B
p
w
[ ]
×
=
, where
w
1 2
…
w
total
, , ,
=
I
C
c
w
[ ]
M w
[ ]
I
C
p
w
[ ]
×
=
, where
w
1 2
…
w
total
, , ,
=
I
A
c
w
[ ]
I
B
c
w
[ ]
I
C
c
w
[ ]
M w
[ ]
I
A
p
w
[ ]
I
B
c
w
[ ]
I
C
c
w
[ ]
Summary of Contents for UR T60
Page 10: ...x T60 Transformer Protection System GE Multilin TABLE OF CONTENTS ...
Page 14: ...xiv T60 Transformer Protection System GE Multilin 0 1 BATTERY DISPOSAL 0 BATTERY DISPOSAL 0 ...
Page 34: ...1 20 T60 Transformer Protection System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Page 436: ...5 298 T60 Transformer Protection System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Page 678: ...C 30 T60 Transformer Protection System GE Multilin C 7 LOGICAL NODES APPENDIX C C ...
Page 688: ...D 10 T60 Transformer Protection System GE Multilin D 1 IEC 60870 5 104 PROTOCOL APPENDIX D D ...
Page 700: ...E 12 T60 Transformer Protection System GE Multilin E 2 DNP POINT LISTS APPENDIX E E ...