ABB RELION Series, Техническое руководство

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Table 525: SCEFRFLO Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
EF algorithm Sel 1=Load
compensation
2=Load modelling
1=Load
compensation
Selection for PhE-loop calculation
algorithm
EF algorithm Cur Sel 1=Io based
2=I2 based
1=Io based Selection for earth-fault current model
Load Com PP loops 0=Disabled
1=Enabled
1=Enabled Enable load compensation for PP/3P-
loops
Enable simple model 0=Disabled
1=Enabled
0=Disabled Enable calc. without impedance settings
for PP/3P-loops
Distance estimate Va 0.001...0.300 0.001 0.015 Allowed variation of short circuit distance
estimate
5.4.8 Monitored data
Table 526: SCEFRFLO Monitored data
Name Type Values (Range) Unit Description
RF FLOAT32 0.0...1000000.0 ohm Fault point resistance in
primary ohms
FAULT_LOOP Enum 1=AG Fault
2=BG Fault
3=CG Fault
4=AB Fault
5=BC Fault
6=CA Fault
7=ABC Fault
-5=No fault
Fault impedance loop
FLT_DISTANCE FLOAT32 0.00...3000.00 pu Fault distance in units
selected by the user
FLT_DIST_Q INT32 0...511 Fault distance quality
RFLOOP FLOAT32 0.0...1000000.0 ohm Fault loop resistance in
primary ohms
XFLOOP FLOAT32 0.0...1000000.0 ohm Fault loop reactance in
primary ohms
XFPHASE FLOAT32 0.0...1000000.0 ohm Positive sequence fault
reactance in primary
ohms
IFLT_PER_ILD FLOAT32 0.00...60000.00 Fault to load current ratio
S_CALC FLOAT32 0.00...1.00 Estimated equivalent
load distance
XC0F_CALC FLOAT32 0.0...1000000.0 ohm Estimated PhE
capacitive reactance of
line
SCEFRFLO Enum 1=on
2=blocked
3=test
4=test/blocked
5=off
Status
Triggering time Timestamp Estimate triggering time
Table continues on next page
1MRS758755 A
Section 5
Protection related functions
REC615 and RER615 505
Technical Manual