ABB Relion 670 series REC670 - Page 51

Secondary system supervision
Table 50. 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 51. 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
Operate time, general start of function 25 ms typically at 1 to 0 of Ubase -
Reset time, general start of function 35 ms typically at 0 to 1 of Ubase -
Bay control REC670
1MRK511232-BEN E
Pre-configured
Product version: 1.2
ABB 51