ABB Relion 670 Series Technical Reference Manual page 606

Section 11
Secondary system supervision
11.1.5
Table 308: CCSRDIF (87) Group settings (basic)
Name Values (Range)
Operation Disabled
Enabled
IBase 1 - 99999
IMinOp 5 - 200
Table 309: CCSRDIF (87) Group settings (advanced)
Name Values (Range)
Pickup_Block 5 - 500
11.1.6
11.2
600
Table 307: CCSRDIF (87) Output signals
Name Type
FAIL BOOLEAN
ALARM BOOLEAN
Setting parameters
Unit Step
- -
A 1
%IB 1
Unit Step
%IB 1
Technical data
Table 310: CCSRDIF (87) technical data
Function
Operate current
Block current
Fuse failure supervision SDDRFUF
Function description
Fuse failure supervision
Description
Detection of current circuit failure
Alarm for current circuit failure
Default Description
Disabled Disable/Enable Operation
3000 IBase value for current pickup detectors
20 Minimum operate current differential pickup in
% of IBase
Default Description
150 Block of the function at high phase current, in
% of IBase
Range or value
(5-200)% of I
n
(5-500)% of I
n
IEC 61850 IEC 60617
identification identification
SDDRFUF -
1MRK505222-UUS C
Accuracy
± 10.0% of I at I £ I
n n
± 10.0% of I at I > I
n
± 5.0% of I at I £ I
n n
± 5.0% of I at I > I
n
ANSI/IEEE C37.2
device number
-
Technical reference manual