ABB ret650 - Page 281

Setting Short Description Selected
value
Comments
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 35: 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
IAngComp5 Angle calibration for current at
5% of Ir
0.00
IAngComp30 Angle pre-calibration for current
at 30% of Ir
0.00
IAngComp100 Angle pre-calibration for current
at 100% of Ir
0.00
Measurement function application for a power transformer
SEMOD54481-61 v9
Single line diagram for this application is given in figure
98.
1MRK 504 169-UEN A Section 13
Monitoring
Transformer protection RET650 2.2 IEC 275
Application manual