Table 418:
SSIML (71) Output signals
Name
Type
Description
LEVEL
REAL
Level service value
LVL_ALM
BOOLEAN
Level below alarm level
LVL_LO
BOOLEAN
Level below lockout level
TEMP
REAL
Temperature of the insulation medium
TEMP_ALM
BOOLEAN
Temperature above alarm level
TEMP_LO
BOOLEAN
Temperature above lockout level
16.3.4
Settings
Table 419:
SSIML (71) Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Disabled
Enabled
-
-
Disabled
Operation Disabled/Enabled
LevelAlmLimit
1.00 - 100.00
-
0.01
5.00
Alarm setting for level
LevelLOLimit
1.00 - 100.00
-
0.01
3.00
Level lockout setting
TempAlarmLimit
-40.00 - 200.00
-
0.01
30.00
Temperature alarm level setting of the medium
TempLOLimit
-40.00 - 200.00
-
0.01
30.00
Temperature lockout level of the medium
tLevelAlarm
0.000 - 60.000
s
0.001
0.000
Time delay for level alarm
tLevelLockOut
0.000 - 60.000
s
0.001
0.000
Time delay for level lockout indication
tTempAlarm
0.000 - 60.000
s
0.001
0.000
Time delay for temperature alarm
tTempLockOut
0.000 - 60.000
s
0.001
0.000
Time delay for temperture lockout
tResetLevelAlm
0.000 - 60.000
s
0.001
0.000
Reset time delay for level alarm
tResetLevelLO
0.000 - 60.000
s
0.001
0.000
Reset time delay for level lockout
tResetTempLO
0.000 - 60.000
s
0.001
0.000
Reset time delay for temperture lockout
tResetTempAlm
0.000 - 60.000
s
0.001
0.000
Reset time delay for temperture alarm
16.3.5
Operation principle
Liquid medium supervision SSIML (71) is used to monitor the oil level in the circuit
breaker. Binary inputs of oil level LVL_ALM, LEVEL_LO and oil level signal LEVEL
are taken into account to initiate the alarms LVL_ALM and LVL_LO. When LEVEL is
less than
LevelAlmLimit
or binary signal from CB LVL_ALM is high, then the oil level
indication alarm, LVL_ALM will be initiated. Similarly, if oil level input LEVEL is less
than
LevelLOLimit
or binary signal from CB LVL_LO is high or temperature input TEMP
is above lockout level
TempLOLimit
, then the oil level indication lockout, LVL_LO will
be initiated.
1MRK 511 365-UUS A
Section 16
Monitoring
Phasor measurement unit RES670 2.1 ANSI
523
Technical manual
Содержание Relion 670 Series RES670
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