5.7.8 Signals
5.7.8.1 SCEFRFLO Input signals
Table 1157: SCEFRFLO Input signals
Name Type Default Description
I3P SIGNAL - Three-phase currents
U3P SIGNAL - Three-phase voltages
URES SIGNAL - Residual voltage
BLOCK BOOLEAN 0=False Signal for blocking
the triggering
TRIGG_REC BOOLEAN 0=False Distance calculation
triggering signal
TRIGG_XC0F BOOLEAN 0=False XC0F calculation trig-
gering signal
TRIGG_T BOOLEAN 0=False Start calculation se-
quence for compen-
sation network
5.7.8.2 SCEFRFLO Output signals
Table 1158: SCEFRFLO Output signals
Name Type Description
ALARM BOOLEAN Fault location alarm signal
5.7.9 SCEFRFLO Settings
Table 1159: SCEFRFLO Group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Flt Loc Det mode
2=Non-comp
1=Comp, switched
R
2=Non-comp Fault location de-
tection mode
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 capaci-
tive reactance in
primary ohms
R1 line section A 0.000...1000.000 ohm / pu 0.001 1.000 Positive sequence
line resistance, line
section A
Table continues on the next page
Protection related functions 1MRS759142 F
1218 REX640
Technical Manual