Signals - ABB Relion Technical Manual

Section 7
Impedance protection
7.1.4
7.1.5
Table 52: ZMRPSB (68) Group settings (basic)
Name Values (Range)
Operation Disabled
Enabled
X1InFw 0.10 - 3000.00
R1LIn 0.10 - 1000.00
R1FInFw 0.10 - 1000.00
X1InRv 0.10 - 3000.00
R1FInRv 0.10 - 1000.00
OperationLdCh Disabled
Enabled
RLdOutFw 0.10 - 3000.00
ArgLd 5 - 70
RLdOutRv 0.10 - 3000.00
Table continues on next page
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Signals

Table 50: ZMRPSB (68) Input signals
Name Type
I3P GROUP
SIGNAL
U3P GROUP
SIGNAL
BLOCK BOOLEAN
BLKI01 BOOLEAN
BLKI02 BOOLEAN
I0CHECK BOOLEAN
EXTERNAL BOOLEAN
Table 51: ZMRPSB (68) Output signals
Name Type
START BOOLEAN
ZOUT BOOLEAN
ZIN BOOLEAN
Settings
Unit Step
- -
ohm 0.01
ohm 0.01
ohm 0.01
ohm 0.01
ohm 0.01
- -
ohm 0.01
Deg 1
ohm 0.01
Default Description
- Three phase group signal for current inputs
- Three phase group signal for voltage inputs
0 Block of function
0 Block inhibit of start output for slow swing condition
0 Block inhibit of start output for subsequent residual
current detect
0 Residual current (3I0) detection to inhibit start output
0 Input for external detection of power swing
Description
Power swing detected
Measured impedance within outer impedance boundary
Measured impedance within inner impedance boundary
Default Description
Disabled Disbled/Enabled operation
30.00 Inner reactive boundary, forward
30.00 Line resistance for inner characteristic angle
30.00 Fault resistance coverage to inner resistive
line, forward
30.00 Inner reactive boundary, reverse
30.00 Fault resistance line to inner resistive
boundary, reverse
Enabled Operation of load discrimination characteristic
30.00 Outer resistive load boundary, forward
25 Load angle determining load impedance area
30.00 Outer resistive load boundary, reverse
1MRK 502 048-UUS A
Technical manual