Toshiba GR200 Series Instruction Manual page 482

Line differential protection ied
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Reclosing sequence for two CBs system– setting (ARC-ORDER)
(xiv)
Figure 2.34-24 shows that the logic determines the reclosing priority between CB#1 and CB#2;
the scheme switch [ARC-ORDER] is provided to set the process priority. For example, the user
should set CB1 for the [ARC-ORDER] if the CB#1 is being closed firstly.
Table 2.34-12 Starting condition for two CBs system
Mode setting
[ARC1 mode]=
TPAR or SPAR&TPAR
[ARC2 mode]=
TPAR or SPAR&TPAR
Shot1 for CB#1
ARC1 SHOT1
Shot for CB#2
ARC2 SHOT
Initiation
FT ARC1 UNREADY
FT ARC2 UNREADY
Start
NON ARC-S1_IN-PROG
ARC-ORDER
Setting [ARC-
ORDER]
CB#1 recloses first.
CB1
CB#2 recloses first.
CB2
Both CB#1 and CB#2 reclose simultaneously.
SIMUL
8000011B73
S
≥1
R
8100021B6F
S
≥1
R
8800011B74
S
≥1
R
8900021B70
S
≥1
R
SIMUL
CB1
CB2
Figure 2.34-24 Reclose sequence logic
- 459 -
Start condition
TPAR1-START
810001EBBD
TPAR2-START
810002EBBD
ARC1-SUB_INIT
ARC2-SUB_INIT
6F2S1914 (0.49)
ARC1 TPAR
TPAR1_START
ARC2 TPAR
TPAR2_START
For user's programming
Not connected
GRL200 (Soft 033 & 037)

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