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Generator protection
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Section 14
Monitoring
14.17.5
Table 430:
SSCBR Non group settings (basic)
Name
Values (Range)
Operation
Off
On
AccDisLevel
5.00 - 500.00
CurrExp
0.00 - 2.00
RatedFaultCurr
500.00 - 75000.00
RatedOpCurr
100.00 - 5000.00
AccCurrAlmLvl
0.00 - 20000.00
AccCurrLO
0.00 - 20000.00
DirCoef
-3.00 - -0.50
LifeAlmLevel
0 - 99999
OpNumRatCurr
1 - 99999
OpNumFaultCurr
1 - 10000
OpNumAlm
0 - 9999
Table continues on next page
604
Table 429:
SSCBR Output signals
Name
Type
TRVTOAL
BOOLEAN
TRVTCAL
BOOLEAN
SPRCHRAL
BOOLEAN
OPRALM
BOOLEAN
OPRLOALM
BOOLEAN
IACCALM
BOOLEAN
IACCLOAL
BOOLEAN
CBLIFEAL
BOOLEAN
NOOPRALM
BOOLEAN
PRESALM
BOOLEAN
PRESLO
BOOLEAN
CBOPEN
BOOLEAN
CBINVPOS
BOOLEAN
CBCLOSED
BOOLEAN

Settings

Unit
Step
-
-
A
0.01
-
0.01
A
0.01
A
0.01
-
0.01
-
0.01
-
0.01
-
1
-
1
-
1
-
1
Description
CB open travel time exceeded set value
CB close travel time exceeded set value
Spring charging time has crossed the set value
Number of CB operations exceeds alarm limit
Number of CB operations exceeds lockout limit
Accumulated currents power (Iyt),exceeded alarm limit
Accumulated currents power (Iyt),exceeded lockout
limit
Remaining life of CB exceeded alarm limit
CB 'not operated for long time' alarm
Pressure below alarm level
Pressure below lockout level
CB is in open position
CB is in intermediate position
CB is in closed position
Default
Description
On
Operation Off / On
10.00
RMS current setting below which energy
accumulation stops
2.00
Current exponent setting for energy calculation
5000.00
Rated fault current of the breaker
1000.00
Rated operating current of the breaker
2500.00
Setting of alarm level for accumulated currents
power
2500.00
Lockout limit setting for accumulated currents
power
-1.50
Directional coefficient for CB life calculation
5000
Alarm level for CB remaining life
10000
Number of operations possible at rated current
1000
Number of operations possible at rated fault
current
200
Alarm limit for number of operations
1MRK 502 048-UUS A
Technical manual

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