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ABB RELION Series - Three-phase thermal protection for feeders, cables and distribution transformers T1 PTTR

ABB RELION Series
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Table 255: DPHLPDOC Group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Type of reset curve 1=Immediate
2=Def time reset
3=Inverse reset
1=Immediate Selection of reset curve type
Voltage Mem time 0...3000 ms 1 40 Voltage memory time
Pol quantity 1=Self pol
4=Neg. seq. volt.
5=Cross pol
7=Pos. seq. volt.
5=Cross pol Reference quantity used to determine
fault direction
Table 256: DPHLPDOC Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation 1=on
5=off
1=on Operation Off / On
Num of start 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 operate
activation
Curve parameter A 0.0086...120.0000 1 28.2000 Parameter A for customer programmable
curve
Curve parameter B 0.0000...0.7120 1 0.1217 Parameter B for customer programmable
curve
Curve parameter C 0.02...2.00 1 2.00 Parameter C for customer programmable
curve
Curve parameter D 0.46...30.00 1 29.10 Parameter D for customer programmable
curve
Curve parameter E 0.0...1.0 1 1.0 Parameter E for customer programmable
curve
Table 257: DPHLPDOC Non group settings (Advanced)
Parameter
Values (Range) Unit Step Default Description
Minimum operate time 20...60000 ms 1 20 Minimum operate time for IDMT curves
Reset delay time 0...60000 ms 1 20 Reset delay time
Measurement mode 1=RMS
2=DFT
3=Peak-to-Peak
2=DFT Selects used measurement mode
Allow Non Dir 0=False
1=True
0=False Allows prot activation as non-dir when dir
info is invalid
Min operate current 0.01...1.00 xIn 0.01 0.01 Minimum operating current
Min operate voltage 0.01...1.00 xUn 0.01 0.01 Minimum operating voltage
Section 4 1MRS758755 A
Protection functions
246 REC615 and RER615
Technical Manual

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