Secondary system supervision
M12358-1 v11
Table 86. Current circuit supervision CCSSPVC
Function
Range or value
Accuracy
Operate current
(10-200)% of IBase
±1.0% of I
r
at I ≤ I
r
±1.0% 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 v13
Table 87. 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
-
GUID-E2EA8017-BB4B-48B0-BEDA-E71FEE353774 v5
Table 88. Fuse failure supervision VDSPVC
Function
Range or value
Accuracy
Operate value, block of main fuse failure
(10.0-80.0)% of UBase
±0.5% of Ur
Reset ratio
<110%
Operate time, block of main fuse failure at 1 x U
r
to 0
Min. = 5 ms
–
Max. = 15 ms
Reset time, block of main fuse failure at 0 to 1 x U
r
Min. = 15 ms
–
Max. = 30 ms
Operate value, alarm for pilot fuse failure
(10.0-80.0)% of UBase
±0.5% of Ur
Reset ratio
<110%
–
Operate time, alarm for pilot fuse failure at 1 x U
r
to 0
Min. = 5 ms
–
Max. = 15 ms
Reset time, alarm for pilot fuse failure at 0 to 1 x U
r
Min. = 15 ms
–
Max. = 30 ms
Line differential protection RED670
1MRK 505 379-BEN R
Version 2.2
124
Hitachi Energy
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Содержание Relion 670 Series
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