ABB RELION REX640 - 4.3.1.10 LNPLDF Monitored data

Parameter Values (Range) Unit Step Default Description
8=Clk Num 8
10=Clk Num 10
11=Clk Num 11
CT ratio correction 0.200...5.000 0.001 1.000 Local phase current
transformer ratio
correction
CT connection type
1=Type 1
2=Type 2
1=Type 1 CT connection
type. Determined
by the directions of
the connected cur-
rent transformers.
Zro A elimination
1=Not eliminated
2=Winding 1
3=Winding 2
4=Winding 1 and 2
1=Not eliminated Elimination of the
zero-sequence cur-
rent
Restraint mode
1=None
2=Harmonic2
1=None Selects what re-
straint modes are
in use
Table 651: LNPLDF Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Reset delay time 0...60000 ms 1 0 Reset delay time
for stabilized stage
Minimum operate
time
45...60000 ms 1 45 Minimum operate
time for stabilized
stage IDMT curves
4.3.1.10 LNPLDF Monitored data
Table 652: LNPLDF Monitored data
Name
Type Values (Range) Unit Description
START_DUR FLOAT32 0.00...100.00 % Ratio of start time / op-
erate time
I_AMPL_LOC_A FLOAT32 0.00...40.00 xIr Local phase A ampli-
tude after correction
I_AMPL_LOC_B FLOAT32 0.00...40.00 xIr Local phase B ampli-
tude after correction
I_AMPL_LOC_C FLOAT32 0.00...40.00 xIr Local phase C ampli-
tude after correction
I_AMPL_REM_A FLOAT32 0.00...40.00 xIr Remote phase A ampli-
tude after correction
I_AMPL_REM_B FLOAT32 0.00...40.00 xIr Remote phase B ampli-
tude after correction
I_AMPL_REM_C FLOAT32 0.00...40.00 xIr Remote phase C ampli-
tude after correction
ID_A FLOAT32 0.00...80.00 xIr Differential current
phase A
ID_B FLOAT32 0.00...80.00 xIr Differential current
phase B
ID_C FLOAT32 0.00...80.00 xIr Differential current
phase C
IB_A FLOAT32 0.00...80.00 xIr Stabilization current
phase A
IB_B FLOAT32 0.00...80.00 xIr Stabilization current
phase B
IB_C FLOAT32 0.00...80.00 xIr Stabilization current
phase C
Table continues on the next page
Protection functions 1MRS759142 F
678 REX640
Technical Manual