ABB REQ650 - CT Ratio and Minimum Pickup Settings; Setting of Current Channels and Examples

EMC compliance
Table 23. EMC compliance
Description Reference
EMC directive 2004/108/EC
Standard EN 50263 (2000)
EN 60255-26 (2007)
Current protection
Table 24. Instantaneous phase overcurrent protection, 3-phase output PHPIOC
Function Range or value Accuracy
Operate current (5-2500)% of lBase ± 1.0% of I
r
at I £ I
r
± 1.0% of I at I > I
r
Reset ratio > 95% -
Operate time 20 ms typically at 0 to 2 x I
set
-
Reset time 30 ms typically at 2 to 0 x I
set
-
Critical impulse time 10 ms typically at 0 to 2 x I
set
-
Operate time 10 ms typically at 0 to 5 x I
set
-
Reset time 40 ms typically at 5 to 0 x I
set
-
Critical impulse time 2 ms typically at 0 to 5 x I
set
-
Dynamic overreach < 5% at t = 100 ms -
Table 25. Instantaneous phase overcurrent protection, phase segregated output SPTPIOC
Function
Range or value Accuracy
Operate current (5-2500)% of lBase ± 1.0% of I
r
at I £ I
r
± 1.0% of I at I > I
r
Reset ratio > 95% -
Operate time 20 ms typically at 0 to 2 x I
set
-
Reset time 30 ms typically at 2 to 0 x I
set
-
Critical impulse time 10 ms typically at 0 to 2 x I
set
-
Operate time 10 ms typically at 0 to 5 x I
set
-
Reset time 40 ms typically at 5 to 0 x I
set
-
Critical impulse time 2 ms typically at 0 to 5 x I
set
-
Dynamic overreach < 5% at t = 100 ms -
Breaker protection REQ650 1MRK 505 283-BEN -
Product version: 1.2
62 ABB