Technical Data; Insulation Liquid Monitoring Function Ssiml; Identification; Functionality - ABB REG650 Technical Manual

1MRK 502 034-UEN -
13.13.7
13.14
13.14.1
13.14.2
Technical Manual
circuit breaker is below alarm level, the function initiates output signal
PRES_ALM, pressure below alarm level, after a set time delay and indicate that
maintenance of the circuit breaker is required. Similarly, if the input signal
PRES_LO is high, which indicate gas pressure in the circuit breaker is below
lockout level, the function initiates output signal PRES_LO, after a time delay. The
two time delay settings, tPressureAlarm and tPressureLO, are included in order not
to initiate any alarm for short sudden changes in the gas pressure. If the gas
pressure in the circuit breaker goes below the levels for more than the set time
delays the corresponding signals, PRES_ALM, pressure below alarm level and
PRES_LO, pressure below lockout level alarm will be obtained.
The input signal BLK_ALM is used to block the two alarms and the input signal
BLOCK to block both alarms and the function.

Technical data

Table 339: SSIMG Technical data
Function
Pressure alarm
Pressure lockout
Temperature alarm
Temperature lockout
Timers

Insulation liquid monitoring function SSIML

Identification

Function description
Insulation liquid monitoring function

Functionality

Insulation liquid monitoring function (SSIML) is used for monitoring the circuit
breaker condition. Binary information based on the oil level in the circuit breaker is
used as input signals to the function. In addition, the function generates alarms
based on received information.
Range or value
0.00-25.00
0.00-25.00
-40.00-200.00
-40.00-200.00
(0.000-60.000) s
IEC 61850 IEC 60617
identification identification
SSIML -
Section 13
Monitoring
Accuracy
-
-
-
-
± 0.5% ± 110 ms
ANSI/IEEE C37.2
device number
71
425