ABB RELION 650 Series Applications Manual page 295

Line differential protection version 2.1
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1MRK 505 363-UEN A
Table 31:
Setting
PMin
PMax
PZeroDb
PRepTyp
PDbRepInt
PHiHiLim
PHiLim
PLowLim
PLowLowlLim
PLimHyst
Table 32:
Setting
IAmpComp5
IAmpComp30
IAmpComp100
UAmpComp5
UAmpComp30
UAmpComp100
IAngComp5
IAngComp30
IAngComp100
Measurement function application for a power transformer
Single line diagram for this application is given in figure 143.
Application manual
Settings parameters for level supervision
Short Description
Minimum value
Minimum value
Zero point clamping in 0.001%
of range
Reporting type
Cycl: Report interval (s), Db: In
% of range, Int Db: In %s
High High limit (physical value)
High limit (physical value)
Low limit (physical value)
Low Low limit (physical value)
Hysteresis value in % of range
(common for all limits)
Settings for calibration parameters
Short Description
Amplitude factor to calibrate
current at 5% of Ir
Amplitude factor to calibrate
current at 30% of Ir
Amplitude factor to calibrate
current at 100% of Ir
Amplitude factor to calibrate
voltage at 5% of Ur
Amplitude factor to calibrate
voltage at 30% of Ur
Amplitude factor to calibrate
voltage at 100% of Ur
Angle calibration for current at
5% of Ir
Angle pre-calibration for
current at 30% of Ir
Angle pre-calibration for
current at 100% of Ir
Selected
Comments
value
-100
Minimum expected load
100
Maximum expected load
3000
Set zero point clamping to 45 MW that is, 3%
of 200 MW
db
Select amplitude deadband supervision
2
Set ±Δdb=30 MW that is, 2% (larger changes
than 30 MW will be reported)
60
High alarm limit that is, extreme overload
alarm
50
High warning limit that is, overload warning
-50
Low warning limit. Not active
-60
Low alarm limit. Not active
2
Set ±Δ Hysteresis MW that is, 2%
Selected
Comments
value
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
Section 15
Monitoring
SEMOD54481-61 v8
289

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