Secondary system supervision
M12358-1 v8
Table 77. Current circuit supervision CCSSPVC
Function
Range or value
Accuracy
Operate current
(10-200)% of IBase
±10.0% of I
r
at I ≤ I
r
±10.0% of I at I > I
r
Reset ratio, Operate current
>90%
Block current
(20-500)% of IBase
±5.0% of I
r
at I ≤ I
r
±5.0% of I at I > I
r
Reset ratio, Block current
>90% at (50-500)% of IBase
M16069-1 v11
Table 78. Fuse failure supervision FUFSPVC
Function
Range or value
Accuracy
Operate voltage, zero sequence
(1-100)% of UBase
±0.5% of U
r
Operate current, zero sequence
(1–100)% of IBase
±0.5% of I
r
Operate voltage, negative sequence
(1-100)% of UBase
±0.5% of U
r
Operate current, negative sequence
(1–100)% of IBase
±0.5% of I
r
Operate voltage change level
(1-100)% of UBase
±10.0% of U
r
Operate current change level
(1–100)% of IBase
±10.0% of I
r
Operate phase voltage
(1-100)% of UBase
±0.5% of U
r
Operate phase current
(1–100)% of IBase
±0.5% 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
±0.5% of I
r
Operate time, start, 1 ph, at 1 to 0 x U
r
Min. = 10 ms
Max. = 25 ms
-
Reset time, start, 1 ph, at 0 to 1 x U
r
Min. = 15 ms
Max. = 30 ms
-
1MRK 502 068-BEN D
Generator protection REG670 2.1 IEC
Product version: 2.1
82
ABB