ABB Relion REQ650, Product Manual

Page: 69 / 91

Table 42. Rate-of-change frequency protection SAPFRC (81)
Function Range or value Accuracy
Operate value, pickup 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, pickup function At 50 Hz: 100 ms typically
At 60 Hz: 80 ms typically -
Secondary system supervision
Table 43. Current circuit supervision CCSRDIF (87)
Function Range or value Accuracy
Operate current (5-200)% of I
n
±
10.0% of I
n
at I
£
I
n
±
10.0% of I at I > I
n
Block current (5-500)% of I
n
±
5.0% of I
n
at I
£
I
n
±
5.0% of I at I > I
n
Table 44. Fuse failure supervision SDDRFUF
Function Range or value Accuracy
Operate voltage, zero sequence (1-100)% of VBase ± 1.0% of V
n
Operate current, zero sequence (1–100)% of IBase ± 1.0% of I
n
Operate voltage, negative
sequence (1–100)% of VBase ± 0.5% of V
n
Operate current, negative
sequence (1–100)% of IBase ± 1.0% of I
n
Operate voltage change pickup (1–100)% of VBase ± 5.0% of V
n
Operate current change pickup (1–100)% of IBase ± 5.0% of I
n
Operate phase voltage (1-100)% of VBase ± 0.5% of U
n
Operate phase current (1-100)% of IBase ± 1.0% of I
n
Operate phase dead line voltage (1-100)% of VBase ± 0.5% of U
n
Operate phase dead line current (1-100)% of IBase ± 1.0% of I
n
Breaker protection REQ650 ANSI 1MRK 505 269-BUS -
Product version: 1.1 Issued: April 2011
ABB 69