ABB Relion 620 Series - Page 857

Table 819: SCEFRFLO Group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Z Max phase load 1.0...10000.0 ohm 0.1 80.0 Impedance per
phase of max.
load, overcurr./un-
der-imp., PSL
Ph leakage Ris 20...1000000 ohm 1 210000 Line PhE leakage
resistance in pri-
mary ohms
Ph capacitive React 10...1000000 ohm 1 7000 Line PhE capacitive
reactance in pri-
mary ohms
R1 line section A 0.000...1000.000 ohm / pu 0.001 1.000 Positive sequence
line resistance, line
section A
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 820: 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
Table continues on the next page
1MRS757644 H Protection related functions
620 series
Technical Manual
857