ABB RELION REX640 Technical Manual page 1218

Protection related functions
5.7.8 Signals
5.7.8.1 SCEFRFLO Input signals
Table 1157: SCEFRFLO Input signals
Name
I3P
U3P
URES
BLOCK
TRIGG_REC
TRIGG_XC0F
TRIGG_T
5.7.8.2 SCEFRFLO Output signals
Table 1158: SCEFRFLO Output signals
Name
ALARM
5.7.9 SCEFRFLO Settings
Table 1159: SCEFRFLO Group settings (Basic)
Parameter Values (Range)
Flt Loc Det mode
2=Non-comp
1=Comp, switched
R
Z Max phase load 1.0...10000.0
Ph leakage Ris 20...1000000
Ph capacitive React 10...1000000
R1 line section A 0.000...1000.000
Table continues on the next page
1218
Type
SIGNAL
SIGNAL
SIGNAL
BOOLEAN
BOOLEAN
BOOLEAN
BOOLEAN
Type
BOOLEAN
Unit Step
ohm 0.1
ohm 1
ohm 1
ohm / pu 0.001
Default Description
- Three-phase currents
- Three-phase voltages
- Residual voltage
0=False Signal for blocking
the triggering
0=False Distance calculation
triggering signal
0=False XC0F calculation trig-
gering signal
0=False Start calculation se-
quence for compen-
sation network
Description
Fault location alarm signal
Default
2=Non-comp
80.0
210000
7000
1.000
1MRS759142 F
Description
Fault location de-
tection mode
Impedance per
phase of max.
load, overcurr./un-
der-imp., PSL
Line PhE leakage
resistance in pri-
mary ohms
Line PhE capaci-
tive reactance in
primary ohms
Positive sequence
line resistance, line
section A
REX640
Technical Manual