ABB REC650 - Page 81

Table 35. Negative sequence based overcurrent function DNSPTOC (46)
Function Range or value Accuracy
Operate current (2.0 - 5000.0) % of IBase ± 1.0% of I
r
at I <I
n
± 1.0% of I at I > I
n
Reset ratio > 95 % -
Low voltage level for memory (0.0 - 5.0) % of VBase < ± 0.5% of V
n
Relay characteristic angle (-180 - 180) degrees ± 2.0 degrees
Relay operate angle (1 - 90) degrees ± 2.0 degrees
Timers (0.00 - 6000.00) s ± 0.5% ± 25 ms
Operate time, non-directional 30 ms typically at 0 to 2 x I
set
20 ms typically at 0 to 10 x I
set
-
Reset time, non-directional 40 ms typically at 2 to 0 x I
set
-
Operate time, directional 30 ms typically at 0 to 2 x I
set
20 ms typically at 0 to 10 x I
set
-
Reset time, directional 40 ms typically at 2 to 0 x I
set
-
Critical impulse time 10 ms typically at 0 to 2 x I
set
2 ms typically at 0 to 10 x I
set
-
Impulse margin time 15 ms typically -
Dynamic overreach < 10% at t = 300 ms -
Bay control REC650 ANSI 1MRK 511 265-BUS B
Product version: 1.2
ABB 81