ABB RED615 Technical Manual page 296

Section 4
Protection functions
290
Iosin(φ) criterion selected, forward-type fault
=> FAULT_DIR = 1
GUID-560EFC3C-34BF-4852-BF8C-E3A2A7750275 V2 EN
Figure 142: Operating characteristic Iosin(φ) in forward fault
The operating sector is limited by Angle correction, that is, the operating sector is
180 degrees - 2*(Angle correction).
Example 2.
Iosin(φ) criterion selected, reverse-type fault
=> FAULT_DIR = 2
1YHT530004D05 D
615 series
Technical Manual