Toshiba GR200 Series Instruction Manual page 157

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