1MAC309294-MB F Section 4
Protection functions
RER620 205
Technical Manual
Table 214: 27-1/2 Non group settings
4.3.2.9 Monitored data
Table 215: 27-1/2 Monitored data
Parameter Values (Range) Unit Step Default Description
Operation 1=Enable
5=Disable
5=Disable Operation Disable / Enable
Num of pickup phases 1=1 out of 3
2=2 out of 3
3=3 out of 3
1=1 out of 3 Number of phases required for trip activation
Minimum trip time 60...60000 ms 1 60 Minimum trip time for IDMT curves
Reset delay time 0...60000 ms 1 20 Reset delay time
Curve parameter A 0.005...200.000 1.000 Parameter A for customer programmable curve
Curve parameter B 0.50...100.00 1.00 Parameter B for customer programmable curve
Curve parameter C 0.0...1.0 0.0 Parameter C for customer programmable curve
Curve parameter D 0.000...60.000 0.000 Parameter D for customer programmable curve
Curve parameter E 0.000...3.000 1.000 Parameter E for customer programmable curve
Curve Sat Relative 0.0...3.0 0.1 2.0 Tuning parameter to avoid curve discontinuities
Voltage block value 0.05...1.00 xVn 0.01 0.20 Low level blocking for undervoltage mode
Enable block value 0=False
1=True
1=True Enable internal blocking
Voltage selection 1=phase-to-earth
2=phase-to-phase
2=phase-to-phase Parameter to select phase or phase-to-phase voltages
Relative hysteresis 1.0...5.0 % 0.1 4.0 Relative hysteresis for operation
Name Type Values (Range) Unit Description
PICKUP_DUR FLOAT32 0.00...100.00 % Ratio of pickup time / trip time
27-1/2 Enum 1=enabled
2=blocked
3=test
4=test/blocked
5=disabled
Status
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