Schweitzer Engineering SEL-387-0, Instruction Manual

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3.15
Date Code 20170601 Instruction Manual SEL-387-0, -5, -6 Relay
Differential, Restricted Earth Fault, Thermal, and Overcurrent Elements
Differential Element
Table 3.1 WnCTC Setting: Corresponding Phase and Direction of
Correction (Sheet 1 of 2)
WnCTC
Setting
a
Matrix Compensation Matrices
Amount and Direction of
Correction
ABC Phase
Rotation ACB Phase
Rotation
0 CTC(0)
0 °
0°
1 CTC(1) 30° CCW 30° CW
2 CTC(2) 60° CCW 60° CW
3 CTC(3)
90 ° CCW
90° CW
4 CTC(4) 120° CCW 120° CW
5 CTC(5) 150° CCW 150° CW
6 CTC(6) 180° CCW 180° CW
7 CTC(7) 210° CCW 210° CW
8 CTC(8) 240° CCW 240° CW
1 0 0
0 1 0
0 0 1
1
3
-------
1 –1 0
0 1 –1
–1 0 1

1
3
---
1 –2 1
1 1 –2
–2 1 1

1
3
-------
0 –1 1
1 0 –1
–1 1 0

1
3
---
–1 –1 2
2 –1 –1
–1 2 –1

1
3
-------
–1 0 1
1 –1 0
0 1 –1

1
3
---
–2 1 1
1 –2 1
1 1 –2

1
3
-------
–1 1 0
0 –1 1
1 0 –1

1
3
---
–1 2 –1
–1 –1 2
2 –1 –1
