Toshiba GR200 Series Instruction Manual page 57
Centralized busbar protection ied
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Scheme logic and setting for supervision
(iii)
Figure 2.1-17 shows the DIF-IdSV logic. DIFSVZA etc. are used for Zone A to Zone F in the
discriminating-zone-protection; whereas DIFSVCH is used for all zones.
Discriminating Zone
8000111C24
DIFSV
A
8100111C25
ZA
B
8200111C26
C
8400211C24
A
DIFSV
8500111C25
ZB
B
8600111C26
C
8800311C24
DIFSV
A
8900311C25
ZC
B
8A00311C26
C
8400611C24
DIFSV
A
ZF
8500611C25
B
8600611C26
C
Check Zone
8000F11C24
DIFSV
A
8100F11C25
CH
B
8200F11C26
C
8200001BB3
≥1
820000EBB4
DIFSV_BLOCK
8F00001BB0
8F0000EBB1
DIF_BLOCK
From Replica
APPLY-CH
APPLY-ZONE-ZA
APPLY-ZONE-ZB
APPLY-ZONE-ZC
APPLY-ZONE-ZF
Off
DIF-IdSV-EN
On
Note: Signals ○
TDIF-IdSV
t 0
&
t 0
&
t 0
&
0-300s
TDIF-IdSV
&
t 0
&
t 0
&
t 0
0-300s
TDIF-IdSV
&
t 0
&
t 0
&
t 0
0-300s
TDIF-IdSV
t 0
&
t 0
&
t 0
&
0-300s
TDIF-IdSV
t 0
&
t 0
&
t 0
&
0-300s
1
&
&
&
&
&
DIF-IdSVBlk
Figure 2.1-17 IdSV monitor logic
are sent to Figure 2.1-10.
S
8000101B68
8100101B69
8200101B6A
≥1
8400201B68
8500201B69
8600201B6A
≥1
8800301B68
8900301B69
8A00301B6A
≥1
8400601B68
8500601B69
8600601B6A
≥1
8000F01B68
8100F01B69
8200F01B6A
≥1
≥1
8F00001B67
Non
Block-PZ
Block-AZ
- 43 -
6F2S1931 (0.20)
DIFZA-IDSV-A
DIFZA-IDSV-B
DIFZA-IDSV-C
8000101B67
DIFZA-IDSV
DIFZB-IDSV-A
DIFZB-IDSV-B
DIFZB-IDSV-C
8100201B67
DIFZB-IDSV
DIFZC-IDSV-A
DIFZC-IDSV-B
DIFZC-IDSV-C
8200301B67
DIFZC-IDSV
DIFZF-IDSV-A
DIFZF-IDSV-B
DIFZF-IDSV-C
8500601B67
DIFZF-IDSV
DIFCH-IDSV-A
DIFCH-IDSV-B
DIFCH-IDSV-C
8E00F01B67
DIFCH-IDSV
To DIF protection logic
IDSVZA-NO-BLK
1
&
≥1
1
IDSVZB-NO-BLK
&
≥1
IDSVZC-NO-BLK
1
&
≥1
1
IDSVZF-NO-BLK
&
≥1
IDSVCH-NO-BLK
1
&
≥1
&
Centralized GRB200
(Soft: 030, 031, 032, 033, 034)
S
S
S
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