ABB Relion 670 Series Technical Reference Manual page 120

Section 5
Differential protection
Name
IDL3 max
IDL3 dbType
IDL3 limHys
Table 61: BZNSPDIF_A Group settings (basic)
Name
Operation
DiffOperLev
DiffTripOut
tTripHold
CheckZoneSup
SlowOCTOper
FastOCTOper
OCTOperLev
tSlowOCT
OCTReleaseLev
IdAlarmLev
tIdAlarm
IinAlarmLev
SensDiffOper
SensOperLev
SensIinBlock
tSensDiff
114
Values (Range) Unit
0.000 - -
10000000000.000
Cyclic -
Dead band
Int deadband
0.000 - 100.000 -
Values (Range) Unit
Off -
On
1 - 99999 A
SelfReset -
Latched
0.000 - 60.000 s
Off -
On
Off -
Block
Supervise
Off -
Block
Supervise
1 - 99999 A
0.00 - 6000.00 s
1 - 99999 A
1 - 99999 A
0.00 - 6000.00 s
1 - 99999 A
Off -
On
1 - 99999 A
1 - 99999 A
0.000 - 60.000 s
Step Default
0.001 6000.000
- Dead band
0.001 5.000
Step Default
- Off
1 1000
- SelfReset
0.001 0.200
- Off
- Block
- Block
1 200
0.01 20.000
1 2500
1 200
0.01 30.000
1 3000
- Off
1 200
1 1000
0.001 0.400
1MRK 505 208-UEN B
Description
Maximum value
Reporting type (0=cyclic, 1=db,
2=integral db)
Hysteresis value in % of range and is
common for all limits
Description
Differential protection operation
Differential protection operation level in
primary amperes
Differential protection trip output mode
Differential trip drop-off delay in
SelfReset mode
Check zone supervises differential
protection operation
Operation of slow open CT alarm
Operation of fast open CT alarm
Open CT operation level in primary
amperes
Time delay for slow open CT alarm
Id level above which OCT alarm
releases in supervision mode
Differential current alarm level in primary
amperes
Time delay for Differential Current Alarm
Level in sec.
Incoming current alarm level in primary
amperes
Sensitive differential protection operation
Sensitive differential operation level in
primary amperes
Iin level above which sensitive diff.
protection is blocked
Time delay for sensitive differential
function operation
Technical reference manual