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7.9.4.1
General logic
Based on the
LBB_OPR_CMD
input, the general logic calculates the load-shedding
trip information for each sheddable load (that is, sheddable load 1, sheddable load
2...sheddable load 10).
The
OPR_SL1
,
OPR_SL2
…
OPR_SL10
outputs provide the load-shedding trip
information for sheddable load 1, sheddable load 2...sheddable load10 respectively.
OPR_SL1
,
OPR_SL2
…
OPR_SL10
outputs with respect to the
individual bits of the
LBB_OPR_CMD
input.
Table 337:
Load busbar operating command
Bits information of input LBB_OPR_CMD
Outputs
1
OPR_SL1
2
OPR_SL2
3
OPR_SL3
4
OPR_SL4
5
OPR_SL5
6
OPR_SL6
7
OPR_SL7
8
OPR_SL8
9
OPR_SL9
10
OPR_SL10
If any bit value is active, the corresponding output is active. For example, if the bit 1
is active, the
OPR_SL1
output is TRUE, else
OPR_SL1
output is FALSE. Similarly,
this applies to all other bits and corresponding outputs.
7.9.5
Signals
Table 338:
LSPTRC Input signals
Name
Type
Default
Description
LBB_OPR_CMD
INTEGER
0
Load bus bar operate command for ten sheddable
loads
Table 339:
LSPTRC Output signals
Name
Type
Description
OPR_SL1
BOOLEAN
Operate command for the sheddable load1
OPR_SL2
BOOLEAN
Operate command for the sheddable load2
OPR_SL3
BOOLEAN
Operate command for the sheddable load3
OPR_SL4
BOOLEAN
Operate command for the sheddable load4
OPR_SL5
BOOLEAN
Operate command for the sheddable load5
Table continues on next page
Section 7
1MRS757256 F
Power management functions
304
PML630/Compact Load-Shedding Solution
Technical Manual
Summary of Contents for Relion 630 Series
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