ABB 1MRK002826-AG - Secondary system supervision

Secondary system supervision
M12358-1 v10
Table 82. 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 83. 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
-
Generator protection REG670
1MRK 502 074-BEN M
Version 2.2
Hitachi Power Grids 101
© Copyright 2017 Hitachi Power Grids. All rights reserved