7.9.5
Settings
PID-3525-SETTINGS v8
Table 129:
CCPDSC Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Off
On
-
-
Off
Operation Off / On
tTrip
0.000 - 60.000
s
0.001
0.300
Time delay between trip condition and
trip signal
ContSel
Off
PD signal from CB
Pole pos aux cont.
-
-
Off
Contact function selection
CurrSel
Off
CB oper monitor
Continuous
monitor
-
-
Off
Current function selection
CurrUnsymLevel
0 - 100
%
1
80
Unsym magn of lowest phase current
compared to the highest.
CurrRelLevel
0 - 100
%IB
1
10
Current magnitude for release of the
function in % of IBase
Table 130:
CCPDSC Non group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
GlobalBaseSel
1 - 12
-
1
1
Selection of one of the Global Base
Value groups
7.9.6
Monitored data
PID-3525-MONITOREDDATA v6
Table 131:
CCPDSC Monitored data
Name
Type
Values (Range)
Unit
Description
IMin
REAL
-
A
Lowest phase current
IMax
REAL
-
A
Highest phase current
7.9.7
Operation principle
M13273-3 v6
The detection of pole discordance can be made in two different ways. If the contact
based function is used an external logic can be made by connecting the auxiliary
contacts of the circuit breaker so that a pole discordance is indicated, see figure
1MRK 506 382-UEN A
Section 7
Current protection
Line distance protection REL650 2.2 IEC
247
Technical manual
Summary of Contents for RELION 650 SERIES
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