ABB RER615 - Page 315

Figure 153: Operating characteristic for phase angle 80
2
3
4
6
7
8
9
10
Io / % of I
n
0 90453015 7560-90 -45 -30 -15-75 -60
Min forward angle
1
80 deg
70 deg
Operating zone
Non-
operating
zone
3% of In
1% of In
Figure 154: 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".
1MRS758755 C
Protection functions
REC615 & RER615
Technical Manual
315