Signals - ABB REG650 Technical Manual

Generator protection
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Section 7
Impedance protection
7.2.4
7.2.5
Table 48:
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
Table continues on next page
142

Signals

Table 46:
LEXPDIS (40) Input signals
Name
Type
I3P
GROUP
SIGNAL
V3P
GROUP
SIGNAL
BLOCK
BOOLEAN
BLKTRZ1
BOOLEAN
BLKTRZ2
BOOLEAN
Table 47:
LEXPDIS (40) Output signals
Name
Type
TRIP
BOOLEAN
TRZ1
BOOLEAN
TRZ2
BOOLEAN
PICKUP
BOOLEAN
PU_Z1
BOOLEAN
PU_Z2
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 502 043-UUS B
Technical Manual

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