ABB REB670 Series - Page 365

Setting Short Description Selected
value
Comments
UGenZeroDb Zero point clamping in % of
Ubase
25 Set minimum voltage level to 25%. Voltage
below 25% will force S, P and Q to zero.
IGenZeroDb Zero point clamping in % of
Ibase
3 Set minimum current level to 3%. Current
below 3% will force S, P and Q to zero.
UBase (set in
Global base)
Base setting for voltage level
in kV
400.00 Set rated OHL phase-to-phase voltage
IBase (set in
Global base)
Base setting for current level
in A
1000 Set rated primary CT current used for OHL
SBase (set in
Global base)
Base Setting for power base in
MVA
1000 Set based on rated Power
Table 50: Settings parameters for level supervision
Setting Short Description Selected
value
Comments
PMin Minimum value -100 Minimum expected load
PMax Minimum value 100 Maximum expected load
PZeroDb Zero point clamping in 0.001%
of range
3000 Set zero point clamping to 60 MW that is, 3%
of 200 MW
PRepTyp Reporting type db Select amplitude deadband supervision
PDbRepInt Cycl: Report interval (s), Db: In
0.001% of range, Int Db: In
0.001%s
2000 Set ±Δdb=40 MW that is, 2% (larger changes
than 40 MW will be reported)
PHiHiLim High High limit (physical
value), % of SBase
60 High alarm limit that is, extreme overload
alarm, hence it will be 415 MW.
PHiLim High limit (physical value), in %
of SBase
50 High warning limit that is, overload warning,
hence it will be 371 MW.
PLowLim Low limit (physical value), in %
of SBase
-50 Low warning limit -500 MW
PLowLowlLim Low Low limit (physical value),
in % of SBase
-60 Low alarm limit -600 MW
PLimHyst Hysteresis value in % of range
(common for all limits)
1 Set ±Δ Hysteresis 20 MW that is, 1% of range
(2000 MW)
Table 51: Settings for calibration parameters
Setting Short Description Selected
value
Comments
IAmpComp5 Amplitude factor to calibrate
current at 5% of Ir
0.00
IAmpComp30 Amplitude factor to calibrate
current at 30% of Ir
0.00
IAmpComp100 Amplitude factor to calibrate
current at 100% of Ir
0.00
UAmpComp5 Amplitude factor to calibrate
voltage at 5% of Ur
0.00
UAmpComp30 Amplitude factor to calibrate
voltage at 30% of Ur
0.00
UAmpComp100 Amplitude factor to calibrate
voltage at 100% of Ur
0.00
Table continues on next page
1MRK 505 370-UEN D Section 14
Monitoring
Busbar protection REB670 359
Application manual