Siemens 7SC80 Manual page 127

Table 2-8
Application
1) Power flow direction
2) With the assumption that these are cable lines
Directional Orientation
Directional overcurrent protection normally operates in the direction of the protected object (line, trans-
former, etc.). If the protection device is properly connected in accordance with one of the circuit diagrams in
Appendix C Connection
The directional orientation Forward or Reverse can be set separately for each element. Moreover, each
element can also be operated Non-Directional.
•
Address 1536 67-3 Direction
•
Address 1523 67-2 Direction
•
Address 1524 67-1 Direction
•
Address 1525 67-TOC Direct.
•
Address 1540 67-TOC-1 Dir.
•
Address 1541 67-TOC-2 Dir.
•
Address 1542 67-TOC-3 Dir.
•
Address 1543 67-TOC-4 Dir.
•
Address 1636 67N-3 Direction
•
Address 1623 67N-2 Direction
•
Address 1624 67N-1 Direction
•
Address 1625 67N-TOC Direct.
•
Address 1640 67N-TOC-1 Dir.
•
Address 1641 67N-TOC-2 Dir.
•
Address 1642 67N-TOC-3 Dir.
•
Address 1643 67N-TOC-4 Dir.
SIPROTEC Compact, 7SC80, Manual
E50417-G1140-C486-A8, Edition 07.2017
Setting examples
Examples, this is the "forward" direction.
2.3 Directional Overcurrent Protection 67, 67N
φ Setting
k
Directional Phase
typical
Element
1519 ROTATION
ANGLE
60° Range 30°...0°
→ 15°
30° Range 60°...30°
→ 45°
30° Range 60°...30°
→ 45°
Functions
Setting
Directional Ground
Element
1619 ROTATION
ANGLE
–60°
–30°
–30°
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