ABB Relion 670 Series Applications Manual page 434

Section 16
Monitoring
Setting
k
VGenZeroDb
IGenZeroDb
VBase (set in
Global base)
IBase (set in
Global base)
16.2 Gas medium supervision SSIMG (63)
16.2.1 Identification
Function description
Gas medium supervision
16.2.2 Application
Gas medium supervision (SSIMG ,63) is used for monitoring the circuit breaker condition. Proper
arc extinction by the compressed gas in the circuit breaker is very important. When the pressure
becomes too low compared to the required value, the circuit breaker operation shall be blocked to
minimize the risk of internal failure. Binary information based on the gas pressure in the circuit
breaker is used as an input signal to the function. The function generates alarms based on the
received information.
16.3 Liquid medium supervision SSIML (71)
16.3.1 Identification
Function description
Liquid medium supervision
16.3.2 Application
Liquid medium supervision (SSIML ,71) is used for monitoring the circuit breaker condition. Proper
arc extinction by the compressed oil in the circuit breaker is very important. When the level
becomes too low, compared to the required value, the circuit breaker operation is blocked to
428
Short description
Low pass filter coefficient for
power measurement, V and I
Zero point clamping in % of
Vbase
Zero point clamping in % of
Ibase
Base setting for voltage level
in kV
Base setting for current level
in A
IEC 61850
identification
SSIMG
IEC 61850
identification
SSIML
Selected Comment
value
0.00 Typically no additional filtering is required
25% Set minimum voltage level to 25%
3 Set minimum current level to 3%
15,65 Set generator rated phase-to-phase voltage
3690 Set generator rated current
IEC 60617 ANSI/IEEE C37.2
identification device number
- 63
IEC 60617 ANSI/IEEE C37.2
identification device number
- 71
1MRK 511 358-UUS A
GUID-358AD8F8-AE06-4AEA-9969-46E5299D5B4B v3
GUID-AD96C26E-C3E5-4B21-9ED6-12E540954AC3 v3
GUID-A840E38C-CC42-4995-A569-A6092DDB81B2 v5
GUID-37669E94-4830-4C96-8A67-09600F847F23 v3
GUID-4CE96EF6-42C6-4F2E-A190-D288ABF766F6 v2
GUID-140AA10C-4E93-4C23-AD57-895FADB0DB29 v5
Application manual