8.7.5 Settings
PID-3525-SETTINGS v8
Table 111: 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 112: 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
8.7.6 Monitored data
PID-3525-MONITOREDDATA v6
Table 113: CCPDSC Monitored data
Name
Type Values (Range) Unit Description
IMin REAL - A Lowest phase current
IMax REAL - A Highest phase current
8.7.7 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
99.
1MRK 505 394-UEN A Section 8
Current protection
Line differential protection RED650 2.2 IEC 221
Technical manual
To Next Page
Loading...
