ABB RELION REX640 Technical Manual page 1127

1MRS759142 C
Parameter Values (Range)
R0 line section A
X0 line section A
Line Len section A
Table 1053: SCEFRFLO Group settings (Advanced)
Parameter Values (Range)
High alarm Dis limit
Low alarm Dis limit
Equivalent load Dis
R1 line section B
X1 line section B
R0 line section B
X0 line section B
Line Len section B
R1 line section C
X1 line section C
R0 line section C
X0 line section C
Line Len section C
Table 1054: SCEFRFLO Non group settings (Basic)
Parameter Values (Range)
Operation
Phase voltage Meas
Calculation Trg mode
REX640
Technical Manual
Unit
0.000...1000.000 ohm / pu
0.000...1000.000 ohm / pu
0.000...1000.000 pu
Unit
0.000...1.000 pu
0.000...1.000 pu
0.00...1.00
0.000...1000.000 ohm / pu
0.000...1000.000 ohm / pu
0.000...1000.000 ohm / pu
0.000...1000.000 ohm / pu
0.000...1000.000 pu
0.000...1000.000 ohm / pu
0.000...1000.000 ohm / pu
0.000...1000.000 ohm / pu
0.000...1000.000 ohm / pu
0.000...1000.000 pu
Unit
1=on
5=off
1=Accurate
2=Ph-to-ph without
Uo
1=Internal
2=External
Protection related functions
Step Default
0.001 4.000
0.001 4.000
0.001 0.000
Step Default
0.001 0.000
0.001 0.000
0.01 0.50
0.001 1.000
0.001 1.000
0.001 4.000
0.001 4.000
0.001 0.000
0.001 1.000
0.001 1.000
0.001 4.000
0.001 4.000
0.001 0.000
Step Default
1=on
1=Accurate
2=External
Section 5
Description
Zero sequence line resistance, line
section A
Zero sequence line reactance, line
section A
Line length, section A
Description
High alarm limit for calculated distance
Low alarm limit for calculated distance
Equivalent load distance when EF
algorithm equals to load modelling
Positive sequence line resistance, line
section B
Positive sequence line reactance, line
section B
Zero sequence line resistance, line
section B
Zero sequence line reactance, line
section B
Line length, section B
Positive sequence line resistance, line
section C
Positive sequence line reactance, line
section C
Zero sequence line resistance, line
section C
Zero sequence line reactance, line
section C
Line length, section C
Description
Operation Off / On
Phase voltage measurement principle
Trigger mode for distance calculation
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