Section 6
Impedance protection
6.15.4
6.15.5
Table 182:
PPLPHIZ Group settings (basic)
Name
Values (Range)
IBase
1 - 99999
VBase
0.05 - 2000.00
OperMode
No Filter
NoPref
1231c
1321c
123a
132a
213a
231a
312a
321a
PU27PN
10 - 100
PU27PP
10 - 100
3V0PU
5 - 300
Pickup_N
10 - 200
Table continues on next page
376
Input and output signals
Table 180:
PPLPHIZ Input signals
Name
Type
I3P
GROUP
SIGNAL
V3P
GROUP
SIGNAL
BLOCK
BOOLEAN
RELAG
BOOLEAN
RELBG
BOOLEAN
RELCG
BOOLEAN
PHSEL
INTEGER
Table 181:
PPLPHIZ Output signals
Name
Type
BFI_3P
BOOLEAN
ZREL
INTEGER
Setting parameters
Unit
Step
A
1
kV
0.01
-
-
%VB
1
%VB
1
%VB
1
%IB
1
Default
Description
-
Group signal for current input
-
Group signal for voltage input
0
Block of function
0
Release condition for the A to ground loop
0
Release condition for the B to ground loop
0
Release condition for the C to ground loop
0
Integer coded external release signals
Description
Indicates start for ground fault(s), regardless of direction
Integer coded output release signal
Default
Description
3000
Base current
400.00
Base voltage
No Filter
Operating mode (c=cyclic,a=acyclic)
70
Operate value of 27P in % of VBase/sqrt(3)
50
Pickup value of line to line undervoltage (% of
VBase)
20
Operate value of residual voltage in % VBase/
sqrt(3)
20
Pickup value of residual current (% of IBase)
1MRK505222-UUS C
Technical reference manual