
Name
Values (Range)
Unit
Step
Default
Description
X1RvPP
0.10 - 3000.00
ohm/p
0.01
30.00
Positive sequence reactance reach, Ph-Ph,
reverse
RFltRevPP
0.10 - 3000.00
ohm/l
0.01
30.00
Fault resistance reach, Ph-Ph, reverse
Timer tPP
Disabled
Enabled
-
-
Enabled
Operation mode Disable/Enable of Zone
timer, Ph-Ph
tPP
0.000 - 60.000
s
0.001
0.000
Time delay of trip, Ph-Ph
OperationPG
Disabled
Enabled
-
-
Enabled
Operation mode Disable/Enable of Phase-
Ground loops
X1FwPG
0.10 - 3000.00
ohm/p
0.01
30.00
Positive sequence reactance reach, Ph-G,
forward
R1PG
0.01 - 1000.00
ohm/p
0.01
5.00
Positive seq. resistance for characteristic
angle, Ph-G
X0PG
0.10 - 9000.00
ohm/p
0.01
100.00
Zero sequence reactance reach, Ph-G
R0PG
0.01 - 3000.00
ohm/p
0.01
47.00
Zero seq. resistance for zone characteristic
angle, Ph-G
RFltFwdPG
0.10 - 9000.00
ohm/l
0.01
100.00
Fault resistance reach, Ph-G, forward
X1RvPG
0.10 - 3000.00
ohm/p
0.01
30.00
Positive sequence reactance reach, Ph-G,
reverse
RFltRevPG
0.10 - 9000.00
ohm/l
0.01
100.00
Fault resistance reach, Ph-G, reverse
Timer tPG
Disabled
Enabled
-
-
Enabled
Operation mode Disable/ Enable of Zone
timer, Ph-G
tPG
0.000 - 60.000
s
0.001
0.000
Time delay of trip, Ph-G
IMinPUPP
10 - 1000
%IB
1
20
Minimum pickup delta current (2 x current of
lagging phase) for Phase-to-phase loops
IMinPUPG
10 - 1000
%IB
1
20
Minimum pickup phase current for Phase-to-
ground loops
Table 111:
ZDSRDIR (21D) Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
OperationSC
NoSeriesComp
SeriesComp
-
-
SeriesComp
Special directional criteria for voltage reversal
IBase
1 - 99999
A
1
3000
Base setting for current level
VBase
0.05 - 2000.00
kV
0.05
400.00
Base setting for voltage level
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
AngNegRes
90 - 175
Deg
1
130
Angle of blinder in second quadrant for
forward direction
AngDir
5 - 45
Deg
1
15
Angle of blinder in fourth quadrant for forward
direction
Table continues on next page
Section 6
1MRK505222-UUS C
Impedance protection
216
Technical reference manual
Summary of Contents for Relion 670 series
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