ABB Relion 670 series - Page 114

Secondary system supervision
M12358-1 v10
Table 83. 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 v12
Table 84. 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 x U
r
to 0 Min. = 10 ms
Max. = 25 ms
-
Reset time, start, 1 ph, at 0 to 1 x U
r
Min. = 15 ms
Max. = 30 ms
-
Line differential protection RED670
1MRK 505 379-BEN N
Version 2.2
114 Hitachi Power Grids
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