ABB RELION 620 Series Technical Manual page 401

1MAC504801-IB E
620 series ANSI
Technical Manual
GUID-F3D1E6D3-86E9-4C0A-BD43-350003A07292 V1 EN
Figure 180: Trip curves when no prior load and p=20...100 %. Overload factor = 1.05.
Protection functions
Tau [s]
3840
1920
960
640
480
320
160
80
Section 4
395