ABB RELION Series Technical Manual page 742

Section 11
General function block features
736
t[s] Reset time (in seconds)
k set Time multiplier
I Measured current
Start value
I> set
Table 709: Coefficients for ANSI delayed inverse reset curves
Curve name
(1) ANSI Extremely Inverse
(2) ANSI Very Inverse
(3) ANSI Normal Inverse
(4) ANSI Moderately Inverse
(6) Long Time Extremely Inverse
(7) Long Time Very Inverse
(8) Long Time Inverse
1MRS758755 A
D
29.1
21.6
0.46
4.85
30
13.46
4.6
REC615 and RER615
Technical Manual