Signals - ABB RELION 630 Series Technical Manual

Section 7
Power management functions
7.8.5
296
Signal description
Load mismatch in the subnetwork
Manual load-shed power
Manual load-shed priority
Effective power balance in the subnetwork
Effective must-shed power of the subnetwork
Actual load-shed in the subnetwork
Load-shed operate status of the subnetwork
Load-shed disable status of the subnetwork
Subnetwork active status
Fast load-shed blocking status of the subnetwork
Slow load-shed enable status of the subnetwork
Load-shed reset status of the subnetwork
Manual load-shed trigger for the subnetwork
Load-shed priority 1
Load-shed priority 2
Load-shed priority 3
Table 330 shows the signals provided to respective PPLSGGIO functions through
group outputs, PPLS1 and PPLS2.
Table 330: The group signal for PPLS1/PPLS2
Signal description
Load-shed power for power source 1/power
source 2 subnetworks
Spinning reserve status for power source 1/power
source 2 subnetwork
Must-shedding status for power source 1/power
source 2 subnetwork

Signals

Table 331: LSCACLS Input signals
Name Type
NW_SOURCE GROUP
SIGNAL
NW_CB12 GROUP
SIGNAL
NW_CB13 GROUP
SIGNAL
NW_CB14 GROUP
SIGNAL
Table continues on next page
Group signal description for SNW<z>
LOD_MISMATCH
MAN_SHD_POW
MAN_SHD_PRIO
EFF_POW_BAL
z
MUST_SHD_LOD
ACT_SHD_LOD
z
LS_OPR_STS
z
DISABLE_LS
z
SN_ACTIVE
z
LS_BLOCK
z
SLS_ENA_SNW
z
LS_RESET
z
MAN_LS_TRG
z
SHD_PRIO_RC1
SHD_PRIO_RC2
SHD_PRIO_RC3
Group signal description for PPLS1/PPLS2
SND_LS_POW1/SND_LS_POW2
SP_RESV_STS
z
MUST_SHD_STS
Default Description
- Group signal from network power source
- Group signal from network CB connecting BB1 and
BB2
- Group signal from network CB connecting BB1 and
BB3
- Group signal from network CB connecting BB1 and
BB4
PML630/Compact Load-Shedding Solution
1MRS757256 F
z
z
z
z
z
z
z
z
Technical Manual