ABB REG650 - Page 144

Function Range or value Accuracy
Reset time, unrestrained function 40 ms typically at 5 to 0
x set level
-
Operate time, negative sequence
unrestrained function
15 ms typically at 0 to 5
x set level
-
Critical impulse time, unrestrained function 3 ms typically at 0 to 5 x
set level
-
Section 6 1MRK 502 048-UEN A
Differential protection
138
Technical manual