6.6.5
Setting parameters
Table 134:
ZDMRDIR (21D) Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
IBase
1 - 99999
-
1
3000
Base setting for current level
VBase
0.05 - 2000.00
-
0.05
400.00
Base setting for voltage level
DirEvalType
Impedance
Comparator
Imp/Comp
-
-
Comparator
Directional evaluation mode Impedance /
Comparator
AngNegRes
90 - 175
Deg
1
115
Angle of blinder in second quadrant for
forward direction
AngDir
5 - 45
Deg
1
15
Angle of blinder in fourth quadrant for forward
direction
IMinPUPG
5 - 30
%IB
1
5
Minimum pickup phase current for Phase-to-
ground loops
IMinPUPP
5 - 30
%IB
1
10
Minimum pickup delta current (2 x current of
lagging phase) for Phase-to-phase loops
Table 135:
ZDARDIR Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
IBase
1 - 99999
A
1
3000
Base setting for current values
VBase
0.05 - 2000.00
kV
0.05
400.00
Base setting for voltage level in kV
PolMode
-3U0
-V2
IPol
Dual
-3U0Comp
-V2comp
-
-
-3U0
Polarization quantity for opt dir function for P-
G faults
AngleRCA
-90 - 90
Deg
1
75
Characteristic relay angle (= MTA or base
angle)
IPickup
1 - 200
%IB
1
5
Minimum operation current in % of IBase
VPolPU
1 - 100
%VB
1
1
Minimum polarizing voltage in % of VBase
IPolPU
5 - 100
%IB
1
10
Minimum polarizing current in % of IBase
Table 136:
ZDARDIR Group settings (advanced)
Name
Values (Range)
Unit
Step
Default
Description
AngleOp
90 - 180
Deg
1
160
Operation sector angle
Kmag
0.50 - 3000.00
ohm
0.01
40.00
Boost-factor in -V0comp and -V2comp
polarization
Section 6
1MRK505222-UUS C
Impedance protection
284
Technical reference manual
Summary of Contents for Relion 670 series
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