7.4.5
Signals
Table 271:
PSCSWI Input signals
Name
Type
Default
Description
I_A
REAL
0.0
Phase A RMS current of power source
I_B
REAL
0.0
Phase B RMS current of power source
I_C
REAL
0.0
Phase C RMS current of power source
POWER
REAL
0.0
Active power from power source
CB_POSITION
INTEGER
1
Circuit breaker position of source
CB_SERVICE
BOOLEAN
0
Circuit breaker service position of power source
CB_LOCK_OUT
BOOLEAN
0
Circuit breaker lockout status of power source
CB_IED_QVAL
BOOLEAN
1
Circuit breaker IED quality status of power source
IED_TST_MODE
BOOLEAN
0
IED test mode behaviour of power source
MAX_POWER
REAL
0.0
Available power of power source on
communication
GOVERNOR_MOD
INTEGER
3
Governor mode of generator on communication
AP_GOV_QVAL
BOOLEAN
1
Quality status of available power and governor
mode on comm
ISLAND_PARAL
BOOLEAN
1
Island or parallel mode for external power source
ENA_MULT
BOOLEAN
0
Enable signal for current multiplier
EXT_OC_SLST
BOOLEAN
0
External slow load shed trigger for power source
INHIBIT_TRG
BOOLEAN
0
Inhibit the trigger from power source
SLS_DISABLE
BOOLEAN
0
Slow load shed disable of power source
RESET_OC
BOOLEAN
0
Reset for over current
RESET_DEMAND
BOOLEAN
0
Reset for maximum demand
Table 272:
PSCSWI Output signals
Name
Type
Description
SOURCE
GROUP SIGNAL
Group signal of power source
CB_COMPS_POS
INTEGER
Circuit breaker position of power source
ACTIVE_POWER
REAL
Active power of power source
AVA_POWER
REAL
Available power of power source
FLS_TRIGGER
BOOLEAN
Fast load shed trigger from power source
SLOWLS_OPR
BOOLEAN
Slow load shed trigger from power source
OC_STR
BOOLEAN
Over current start of power source
OC_OPR
BOOLEAN
Over current operate status of power source
MAX_DMD_ALM
BOOLEAN
Max demand operate alarm for power source
ISLND_PARALL
BOOLEAN
Island or parallel mode status of external source
FLS_BLOCK
BOOLEAN
Fast load shed block from power source
BLK_BYPASS
BOOLEAN
Block is bypassed
B_SET_CHANGE
BOOLEAN
One or many basic setting change
INVAL_CRV
BOOLEAN
Invalid curve parameters
Section 7
1MRS757256 F
Power management functions
230
PML630/Compact Load-Shedding Solution
Technical Manual
Summary of Contents for Relion 630 Series
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