ABB RELION REX640 - Page 1219

Parameter Values (Range) Unit Step Default Description
X1 line section A 0.000...1000.000 ohm / pu 0.001 1.000 Positive sequence
line reactance, line
section A
R0 line section A 0.000...1000.000 ohm / pu 0.001 4.000 Zero sequence line
resistance, line sec-
tion A
X0 line section A 0.000...1000.000 ohm / pu 0.001 4.000 Zero sequence line
reactance, line sec-
tion A
Line Len section A 0.000...1000.000 pu 0.001 0.000 Line length, section
A
Table 1160: SCEFRFLO Group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
High alarm Dis limit 0.000...1.000 pu 0.001 0.000 High alarm limit for
calculated distance
Low alarm Dis limit 0.000...1.000 pu 0.001 0.000 Low alarm limit for
calculated distance
Equivalent load Dis 0.00...1.00 0.01 0.50 Equivalent load dis-
tance when EF al-
gorithm equals to
load modelling
R1 line section B 0.000...1000.000 ohm / pu 0.001 1.000 Positive sequence
line resistance, line
section B
X1 line section B 0.000...1000.000 ohm / pu 0.001 1.000 Positive sequence
line reactance, line
section B
R0 line section B 0.000...1000.000 ohm / pu 0.001 4.000 Zero sequence line
resistance, line sec-
tion B
X0 line section B 0.000...1000.000 ohm / pu 0.001 4.000 Zero sequence line
reactance, line sec-
tion B
Line Len section B 0.000...1000.000 pu 0.001 0.000 Line length, section
B
R1 line section C 0.000...1000.000 ohm / pu 0.001 1.000 Positive sequence
line resistance, line
section C
X1 line section C 0.000...1000.000 ohm / pu 0.001 1.000 Positive sequence
line reactance, line
section C
R0 line section C 0.000...1000.000 ohm / pu 0.001 4.000 Zero sequence line
resistance, line sec-
tion C
X0 line section C 0.000...1000.000 ohm / pu 0.001 4.000 Zero sequence line
reactance, line sec-
tion C
Line Len section C 0.000...1000.000 pu 0.001 0.000 Line length, section
C
Table 1161: SCEFRFLO Non group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
Phase voltage Meas
1=Accurate
2=Ph-to-ph without
Uo
1=Accurate Phase voltage
measurement prin-
ciple
Calculation Trg
mode
1=Internal
2=External
2=External Trigger mode
for distance calcu-
lation
1MRS759142 F Protection related functions
REX640
Technical Manual
1219