Toshiba GR200 Series Instruction Manual page 560

Line differential protection ied
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800000EBB0 CB1-A_NO_CONT
800000EBB7 CB1-A_NC_CONT
810000EBB1 CB1-B_NO_CONT
810000EBB8 CB1-B_NC_CONT
820000EBB2 CB1-C_NO_CONT
820000EBB9 CB1-C_NC_CONT
830000EBBE CB1-NO_CONT
830000EBBF CB1-NC_CONT
≥1
NO
≥1
NC
Both
CB1-Contact
On
CB-SV
840000EBB3 CB2-A_NO_CONT
840000EBBA CB2-A_NC_CONT
850000EBB4 CB2-B_NO_CONT
850000EBBB CB2-B_NC_CONT
860000EBB5 CB2-C_NO_CONT
860000EBBC CB2-C_NC_CONT
≥1
NO
≥1
NC
Both
CB2-Contact
1CB
2CB
CB-System
Figure 2.38-1 CB decision logic with supervision feature in 1.5CB system
8000001BB0
≥1
8300001BBE
1
=1
8000001B87
≥1
8300001BBF
8100001BB1
≥1
8300001BBE
1
=1
8100001B88
≥1
8300001BBF
8200001BB2
≥1
8300001BBE
1
8200001B89
=1
≥1
8300001BBF
&
&
≥1
≥1
1
≥1
&
≥1
&
≥1
≥1
1
&
&
≥1
≥1
≥1
1
&
CB2-A_FAIL
8400001BB3
CB2-B_FAIL
8400001B8A
8500001BB4
CB2-C_FAIL
8500001B8B
8600001BB5
CB2-FAIL
8600001B8C
CB2-A_CLOSE
CB2-B_CLOSE
CB2-C_CLOSE
CB2_ALLPH_CLOSE
CB2-A_OPEN
CB2-B_OPEN
CB2-C_OPEN
CB2_ALLPH_OPEN
Note: CB2 logic is similar to CB1
logic; OPEN signals are
TRUE (1) and CLOSE
signals are FALSE (0) when
this logic is used in 1CB
system.
&
&
&
CB2-CONTACT=BOTH
- 537 -
TCBSV
t
0
&
0–100S
TCBSV
t
0
&
0–100S
TCBSV
t
0
&
0–100S
≥1
8000001B73
≥1
8000001B74
≥1
8000001B75
≥1
8000001B76
&
8000001B77
≥1
1
8000001B78
1
8000001B79
1
&
8000001B7A
&
&
&
&
≥1
1
6F2S1914 (0.49)
8000001B93
CB1-A_FAIL
8100001B94
CB1-B_FAIL
8200001B95
CB1-C_FAIL
8300001B96
CB1-FAIL
To Common of DISCAR, DEFCAR
8000001B88
CB-A_CLOSE
8100001B89
CB-B_CLOSE
8200001B8A
CB-C_CLOSE
To VTF, CTF, ZG
8300001B8B
CB_ALLPH_CLOSE
To CLP
CB_ALLPH_CLOSE
8800001B90
≥1
CB_ANYPH_CLOSE
8400001B97
CB2-A_FAIL
8500001B98
CB2-B_FAIL
8600001B99
CB2-C_FAIL
8700001B9A
CB2-FAIL
To ARC
CB1_ALLPH_CLOSE
CB2_ALLPH_CLOSE
CB-SYSTEM=1CB
CB-SYSTEM=2CB
To TRC, CBF
8400001B8C
CB-A_OPEN
8500001B8D
CB-B_OPEN
8600001B8E
CB-C_OPEN
To Dead line
detection logic
8700001B8F
CB_ALLPH_OPEN
To OVG, OVN, UVP, DEFCAR
&
TCBLOSPH
8900001B91
t
0
≥1
CB_LOSS_PHASE
0.00 to 0.10s
GRL200 (Soft 033 & 037)

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