7.2.4
Signals
Table 56:
ZGCPDIS (21G) Input signals
Name
Type
Default
Description
I3P
GROUP
SIGNAL
-
Three phase group signal for current
V3P
GROUP
SIGNAL
-
Three phase group signal for voltage
BLOCK
BOOLEAN
0
Block of function
BLKZ
BOOLEAN
0
Block due to Fuse Fail
LDCND
INTEGER
56
Load enchroachment binary coded release
Table 57:
ZGCPDIS (21G) Output signals
Name
Type
Description
TRIP
BOOLEAN
General trip
TRZ1
BOOLEAN
Trip signal Zone1
TRZ2
BOOLEAN
Trip signal Zone2
TRZ3
BOOLEAN
Trip signal Zone3
PICKUP
BOOLEAN
Pickup
PU_Z1
BOOLEAN
Start signal Zone1
PU_Z2
BOOLEAN
Start signal Zone2
Z3_PU
BOOLEAN
Start signal Zone3
7.2.5
Settings
Table 58:
ZGCPDIS (21G) Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Disabled
Enabled
-
-
Disabled
Disable/Enable Operation
ImpedanceAng
0.00 - 90.00
Deg
0.01
80.00
Impedance angle in degrees, common for all
zones
OpModeZ1
Disable-Zone
Enable-Zone
-
-
Disable-Zone
Operation mode of Zone 1
Z1Fwd
0.005 - 3000.000
ohm/p
0.001
30.000
Forward reach setting for Zone 1
Z1Rev
0.005 - 3000.000
ohm/p
0.001
30.000
Reverse reach setting for Zone 1
tZ1
0.000 - 60.000
s
0.001
0.100
Time delay to operate for Zone 1
OpModeZ2
Disable-Zone
Enable-Zone
-
-
Disable-Zone
Operation mode of Zone 2
Z2Fwd
0.005 - 3000.000
ohm/p
0.001
30.000
Forward reach setting for Zone 2
Table continues on next page
1MRK 502 048-UUS A
Section 7
Impedance protection
161
Technical manual
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