Name Type Default Description
BLK_OPR_LS BOOLEAN 0=False Blocks operate out-
puts from biased
stage
BLK_OPR_HS BOOLEAN 0=False Blocks operate out-
puts from instantane-
ous stage
TR2PTDF Output signals
Table 657: TR2PTDF Output signals
Name Type Description
OPERATE BOOLEAN Operate combined
OPR_LS BOOLEAN Operate from low set
OPR_HS BOOLEAN Operate from high set
BLKD2H BOOLEAN 2nd harmonic restraint block
status
BLKD5H BOOLEAN 5th harmonic restraint block
status
BLKDWAV BOOLEAN Waveform blocking status
4.3.2.9 TR2PTDF Settings
Table 658: TR2PTDF Group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
High operate value 500...3000 %Ir 10 1000 Instantaneous
stage setting
Low operate value 5...50 %Ir 1 20 Basic setting for
biased operation
Slope section 2 10...50 % 1 30 Slope of the second
line of the operat-
ing characteristics
End section 2 100...500 %Ir 1 150 Turn-point between
the second and the
third line of the op-
erating characteris-
tics
Restraint mode
5=Waveform
6=2.h + waveform
8=5.h + waveform
9=2.h + 5.h + wav
9=2.h + 5.h + wav Restraint mode
Start value 2.H 7...20 % 1 15 2. harmonic block-
ing ratio
Start value 5.H 10...50 % 1 35 5. harmonic block-
ing ratio
1MRS759142 F Protection functions
REX640
Technical Manual
711
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