ABB RED615 Technical Manual page 299

1YHT530004D05 D
615 series
Technical Manual
GUID-EFC9438D-9169-4733-9BE9-6B343F37001A V2 EN
Figure 146: Operating characteristic for phase angle 80
Non-
operating
zone
-90 -75
GUID-49D23ADF-4DA0-4F7A-8020-757F32928E60 V2 EN
Figure 147: Phase angle 80 amplitude (Directional mode = Forward)
Phase angle 88
The operation criterion phase angle 88 is selected with the Operation mode setting
using the value "Phase angle 88".
Io / % of I
n
10
Min forward angle
9
8
7
6
Operating zone
4
3
2
1
-60 -45 -30 -15 0 15
Section 4
Protection functions
80 deg
3% of In
70 deg
1% of In
30 45 60 75 90
293