Toshiba GR200 Series - Page 157

6F2S1914 (0.49)
GRL200 (Soft 033 & 037)
- 134 -
&
&
&
Zab ≤ Z2S
Zbc ≤ Z2S
Zca ≤ Z2S
Z2S-AB
Z2S-BC
Z2S-CA
1
Distance common function
&
&
&
&
t
0
0.00-100.00s
TZ2S
t
0
t
0
≥1
&
&
≥1
Z2S-OPT
&
&
&
SOTF-Z2S-OPT-CA
≥1
&
Z2S_INST_OP
820002EBB1
8200021C22
8100021C21
8000021C20
Z2S-SOTF
On
SOTF-EN-COND
8200061B6C
8200021B2B
8100011B67
8200011B68
8000021B66
8200021B23
From SOTF-OC
OCCR
A
B
C
VTF-DETECT
From VTF
&
&
&
&
&
&
≥1
&
&
&
1
&
OCF2S
AB
BC
CA
≥1
Z2S-OCFS
Off
≥1
Z2S-ARCBlk
On
Z2S_ARCBLOCK
8200002EBB2
&
Z2S-ARC-BLOCK
Z2S element
≥1
≥1
SOTF-Z2S-TRIP
To Grouping logic
LES-R
AB
BC
CA
LES-L
AB
BC
CA
≥1
≥1
≥1
&
&
&
1
1
1
EFL
1
PSBS
OUT
AB
BC
CA
PSBS
IN
AB
BC
CA
&
&
&
≥1
&
&
&
≥1
1
1
≥1
PSBS BLOCK
800008EBB0
1
&
&
PSBSFR
ON
TPSBSFR
t
0
≥1
TPSBS
t
0
0.020-0.100s
0.00-10.00s
PSBS F.RESET
810008EBB1
t
0
0.05s
S
R
1
&
S
R
PSBS-VCTF-BLK
1
≥1
To CTF,VTF
SOTF-Z2S-OPT-BC
8100021B6B
SOTF-Z2S-OPT-AB
8000021B6A
Z2STP_BLOCK
820002EBB0
8200081B6D
8100081B6C
8000081B6B
8200081B6A
8100081B69
8000081B68
8200081B70
8100081B6F
8000081B6F
Z2S-MDDET
OFF
≥1
&
Z2S-EN
On
&
&
&
Z2S-OPT-AB
Z2S-OPT-BC
Z2S-OPT-CA
SOTF-Z2S BLOCK
820002EBB3
1
&
≥1
8300021B63
8200021C26
8100021C25
8000021C24
≥1
8200081B64
8100081B63
8000081B62
8600081B67
8500081B66
8400081B65
&
OCN-PS
≥1
PSBSRS
ON
Z2S-PSBBlk
Block
&
Checking
particular reach
Z-min
PERM Check
≥1
&
≥1
&
≥1
&
ZminF-PERM-AB
ZminF-PERM-BC
ZminF-PERM-CA
ZminR-PERM-AB
ZminR-PERM-BC
ZminR-PERM-CA
From Z1S
From ZG
M.PHASE_FAULT-R
M.PHASE_FAULT-F
Forward
Z2S-Dir
Reverse
NonDir
&
&
1
LES BLOCK
800008EBB2
Z2S-LEBlk
Block
1
≥1
Figure 2.10-39 Z2S/SOTF-Z2S scheme logics generating trip signals