ABB REQ650 - Page 73

Table 45. Rate-of-change frequency protection SAPFRC
Function Range or value Accuracy
Operate value, start function (-10.00-10.00) Hz/s ± 10.0 mHz/s
Operate value, restore enable frequency (45.00 - 65.00) Hz ± 2.0 mHz
Timers (0.000 - 60.000) s <130 ms
Operate time, start function At 50 Hz: 100 ms typically
At 60 Hz: 80 ms typically
-
Secondary system supervision
Table 46. Current circuit supervision CCSRDIF
Function Range or value Accuracy
Operate current (5-200)% of I
r
± 10.0% of I
r
at I £ I
r
± 10.0% of I at I > I
r
Block current (5-500)% of I
r
± 5.0% of I
r
at I £ I
r
± 5.0% of I at I > I
r
Table 47. Fuse failure supervision SDDRFUF
Function
Range or value Accuracy
Operate voltage, zero sequence (1-100)% of UBase ± 1.0% of U
r
Operate current, zero sequence (1–100)% of IBase ± 1.0% of I
r
Operate voltage, negative sequence (1–100)% of UBase ± 0.5% of U
r
Operate current, negative sequence (1–100)% of IBase ± 1.0% of I
r
Operate voltage change level (1–100)% of UBase ± 5.0% of U
r
Operate current change level (1–100)% of IBase ± 5.0% of I
r
Operate phase voltage (1-100)% of UBase ± 0.5% of U
r
Operate phase current (1-100)% of IBase ± 1.0% of I
r
Operate phase dead line voltage (1-100)% of UBase ± 0.5% of U
r
Operate phase dead line current (1-100)% of IBase ± 1.0% of I
r
Table 48. Breaker close/trip circuit monitoring TCSSCBR
Function
Range or value Accuracy
Operate time delay (0.020 - 300.000) s ± 0,5% ± 110 ms
Breaker protection REQ650 1MRK 505 283-BEN -
Product version: 1.2
ABB 73