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The inputs to calculate the fast load-shedding trigger if the
CB configuration
setting
is set to “Bus coupler”.
•
Sending-end circuit breaker position.
•
Sending-end lockout operating status.
•
Sending-end circuit breaker service status.
The inputs to calculate the fast load-shedding trigger if the
CB configuration
setting
is set to “Tie breaker”.
•
Sending-end and receiving-end circuit breaker positions.
•
Sending-end and receiving-end lockout operating status.
•
Sending-end and receiving-end circuit breaker service status.
The calculation of the
FLS_TRIGGER
.
SND_CB_POS
SND_CB_L_OUT
FLS_TRIGGER
AND
CB configuration
“Tie breaker”
OR
Close
Open
Intermediate
Open
1
0
OR
OR
CB configuration
“Bus coupler”
AND
SND_CB_SER
Load-shedding
blocking signal
(Block logic module)
INHIBIT_TRG
AND
RCV_CB_SER
RCV_CB_POS
RCV_CB_L_OUT
Close
Open
Intermediate
Open
1
0
OR
GUID-EFEB58E0-1795-4F47-A386-13F219FED0DC V1 EN
Figure 144:
Fast load-shedding trigger initiation logic
The
FLS_TRIGGER
output is reported to the Binary to integer module.
7.6.4.5
General Logic
This module calculates
FLS_BLOCK
and
BLK_BYPASS
outputs based on various
conditions
Section 7
1MRS757256 F
Power management functions
256
PML630/Compact Load-Shedding Solution
Technical Manual
Summary of Contents for Relion 630 Series
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