ABB RELION 670 Series Technical Manual page 1057

Generator protection
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1MRK 502 066-UUS B
Name
Values (Range)
ContTrCorr
-0.010 - 0.010
OperTimeDelay
0.000 - 0.200
tDGasPresAlm
0.00 - 60.00
tDGasPresLO
0.00 - 60.00
InitCounterVal
0 - 9999
InitAccCurrPwr
0.00 - 9999.99
InitInactDays
0 - 9999
InactiveAlHrs
0 - 23
16.4.6
Monitored data
Table 768: SSCBR Monitored data
Name
TTRVOP
TTRVCL
NOOPER
CBLIFEPH
INADAYS
IPOWPH
SPCHT
16.4.7
Operation principle
The breaker monitoring function includes metering and monitoring subfunctions. The
subfunctions can be enabled and disabled with the
parameter values are
The operation of the subfunctions is described by the module diagram as shown in
the modules in the diagram are explained in subsequent sections.
Technical manual
Unit
Step
s
0.001
s
0.001
s
0.01
s
0.01
-
1
-
0.01
Day
1
Hour
1
Type
Values (Range)
REAL
-
REAL
-
INTEGER
-
INTEGER
-
INTEGER
-
REAL
-
REAL
-
Enabled and Disabled .
Default
Description
0.005
Correction for time difference in auxiliary
and main contacts open time
0.020
Time delay between change of status of
trip output and start of main contact
separation
0.10
Time delay for gas pressure alarm
0.10
Time delay for gas pressure lockout
0
Initial value for number of operations
0.00
Initial value for accum I^CurrExponent
integr over CB open travel time value
0
Initial value for inactive days
0
Alarm time for inactive days counter in
hours
Unit
Description
ms
Travel time of the CB during opening
operation
ms
Travel time of the CB during closing
operation
-
Number of CB operation cycle
-
CB Remaining life of respective phase
-
The number of days CB has been inactive
-
Accumulated I^CurrExponent integrated
over CB open travel time
s
The charging time of the CB spring
Operation setting. The corresponding
Section 16
Monitoring
PID-3267-MONITOREDDATA v6
GUID-3902D69C-1858-40DD-AD63-C33C381697BA v11
Figure
544. All
1051

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