Signals - ABB Relion Technical Manual

Section 7
Impedance protection
7.3.4
7.3.5
Table 64: LEXPDIS (40) Group settings (basic)
Name Values (Range)
Operation Disabled
Enabled
OperationZ1 Disabled
Enabled
XoffsetZ1 -1000.00 - 1000.00
Z1diameter 0.01 - 3000.00
tZ1 0.00 - 6000.00
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Signals

Table 62: LEXPDIS (40) Input signals
Name Type
I3P GROUP
SIGNAL
U3P GROUP
SIGNAL
BLOCK BOOLEAN
BLKTRZ1 BOOLEAN
BLKTRZ2 BOOLEAN
Table 63: LEXPDIS (40) Output signals
Name Type
TRIP BOOLEAN
TRZ1 BOOLEAN
TRZ2 BOOLEAN
START BOOLEAN
STZ1 BOOLEAN
STZ2 BOOLEAN
XOHM REAL
XPERCENT REAL
ROHM REAL
RPERCENT REAL
Settings
Unit Step
- -
- -
% 0.01
% 0.01
s 0.01
Default Description
- Current group connection
- Voltage group connection
0 Block of function
0 Block trip of zone Z1
0 Block trip of zone Z2
Description
Common trip signal
Trip signal from impedance zone Z1
Trip signal from impedance zone Z2
Common start signal
Pickup signal from impedance zone Z1
Pickup signal from impedance zone Z2
Reactance in Primary Ohms
Reactance in percent of Zbase
Resistance in Primary Ohms
Resistance in percent of Zbase
Default Description
Disabled Disable/Enable Operation
Enabled Operation Disable/Enable zone Z1
-10.00 Offset of Z1 circle top point along X axis in % of
Zbase
100.00 Diameter of imedance circle for Z1 in % of
Zbase
0.01 Trip time delay for Z1
1MRK 502 048-UUS A
Technical manual