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Section 7
Condition monitoring functions
7.1
Circuit breaker condition monitoring 52CM
7.1.1
Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Circuit breaker condition monitoring
SSCBR
CBCM
52CM
7.1.2
Function block
52CM
I_A
I_B
I_C
BLOCK
POSOPEN
POSCLOSE
OPEN_CB_EXE
CLOSE_CB_EXE
PRES_AML_IN
TRV_T_OP_ALM
PRES_LO_IN
SPR_CHR_ST
SPR_CHR
RST_IPOW
RST_CB_WEAR
RST_TRV_T
RST_SPR_T
TRV_T_CL_ALM
SPR_CHR_ALM
OPR_ALM
OPR_LO
IPOW_ALM
IPOW_LO
CB_LIFE_ALM
MON_ALM
PRES_ALM
PRES_LO
OPEN_LO
INVALIDPOS
CLOSEPOS
GUID-5057DDA1-F011-4268-B7CC-7A4AB01AC2B4 V1 EN
Figure 452:
Function block
7.1.3
Functionality
The circuit breaker condition monitoring function 52CM is used to monitor different
parameters of the circuit breaker. The breaker requires maintenance when the number of
operations has reached a predefined value. The energy is calculated from the measured
input currents as a sum of I
y
t values. Alarms are generated when the calculated values
exceed the threshold settings.
The function contains a blocking functionality. It is possible to block the function outputs,
if desired.
1MAC059074-MB A
Section 7
Condition monitoring functions
615 series ANSI
879
Technical Manual
Содержание Relion 615 series
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