The outputs
AVA_POWER
and
ACTIVE_POWER
are reported for the monitoring
view.
The
ACTIVE_POWER
(active power), slow load-shedding start and slow load trigger
inhibition signals are reported to the Binary to Integer module.
7.4.4.9
Binary to integer module
The
DATA_SOURCE
output provides the load-shedding data for the power source.
The data is also available in the monitoring view.
The
DATA_SOURCE
output consists of various binary information as shown in
Based on the
Source configure
setting, the Binary to integer module calculates the
power source configuration status.
If the
Source configure
setting is set to “Generator”, the power source configuration
status is FALSE. If the
Source configure
setting is set to “External source”, the power
source configuration status is TRUE.
If the
ACTIVE_POWER
output is positive, the overcurrent operation status, maximum
demand operation status and external slow load-shedding trigger remain same as
received from the respective modules.
If the
ACTIVE_POWER
output is negative, the overcurrent operation status,
maximum demand operation status and external slow load-shedding trigger are
FALSE.
If the
CB_COMPS_POS
output is “Close”, the compensated circuit breaker close
status is TRUE, else compensated circuit breaker close status is FALSE. If the
CB_COMPS_POS
output is “Open” and
FLS_TRIGGER
is TRUE, the compensated
circuit breaker open status is FALSE.
Irrespective of the
CB_COMPS_POS
output, the compensated circuit breaker open
status is TRUE if the
FLS_TRIGGER
is FALSE.
Table 269:
DATA_SOURCE bits information
Bits
Bit Description
Short name of signal
1
Source configuration
SOURCE_CONFIG
2
Compensated CB closed status
COMP_CB_CLS
3
Fast load-shedding trigger
FLS_TRIGGER
4
Fast load-shed block
FLS_BLOCK
5
Island parallel status
ISLAND_PARALL
6
Overcurrent operating status
OC_OPR
7
Slow load-shed start
SLOWLS_STR
8
Maximum demand operating status
MAX_DMD_ALM
Table continues on next page
Section 7
1MRS757256 F
Power management functions
228
PML630/Compact Load-Shedding Solution
Technical Manual
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