ABB RELION REX640 Technical Manual page 758

Protection functions
4.3.4.8 LREFPNDF Settings
Table 682: LREFPNDF Group settings (Basic)
Parameter Values (Range)
Operate value 5.0...50.0
Table 683: LREFPNDF Group settings (Advanced)
Parameter Values (Range)
Minimum operate 40...300000
time
Restraint mode
1=None
2=Harmonic2
Start value 2.H 10...50
Table 684: LREFPNDF Non group settings (Basic)
Parameter Values (Range)
Operation
1=on
5=off
CT connection type 1=Type 1
2=Type 2
Table 685: LREFPNDF Non group settings (Advanced)
Parameter Values (Range)
Reset delay time 0...60000
4.3.4.9 LREFPNDF Monitored data
Table 686: LREFPNDF Monitored data
Name Type
START_DUR FLOAT32
RES2H BOOLEAN
ID_COSPHI FLOAT32
IB FLOAT32
LREFPNDF Enum
758
Unit Step
%In 1.0
Unit Step
ms 1
% 1
Unit Step
Unit Step
ms 1
Values (Range)
0.00...100.00
0=False
1=True
0.00...80.00
0.00...80.00
1=on
2=blocked
3=test
4=test/blocked
5=off
Default
5.0
Default
40
1=None
50
Default
1=on
2=Type 2
Default
20
Unit Description
% Ratio of start time / op-
erate time
2nd harmonic restraint
xIn Directional differential
current Id cosphi
xIn Bias current
Status
1MRS759142 F
Description
Operate value
Description
Minimum operate
time
Restraint mode
The ratio of the 2.
harmonic to funda-
mental component
required for block-
ing
Description
Operation Off / On
CT connection type
Description
Reset delay time
REX640
Technical Manual