Toshiba GR200 Series - Page 158

6F2S1914 (0.49)
GRL200 (Soft 033 & 037)
- 135 -
&
&
&
Zab ≤ Z3S
Zbc ≤ Z3S
Zca ≤ Z3S
Z3S-AB
Z3S-BC
Z3S-CA
1
Distance common function
&
&
&
&
t
0
0.00-100.00s
TZ3S
t
0
t
0
≥1
&
&
≥1
Z3S-OPT
&
&
&
SOTF-Z3S-OPT-CA
≥1
&
Z3S_INST_OP
830003EBB1
8600031C22
8500031C21
8400031C20
Z3S-SOTF
On
SOTF-EN-COND
8600031B6C
8300031B2B
8500031B67
8600031B68
8400031B66
8300031B23
From SOTF-OC
OCCR
A
B
C
VTF-DETECT
From VTF
&
&
&
&
&
&
≥1
&
&
&
1
&
OCF3S
AB
BC
CA
≥1
Z3S-OCFS
Off
≥1
Z3S-ARCBlk
On
Z3S_ARCBLOCK
830003EBB2
&
Z3S-ARC-BLOCK
Z3S element
≥1
≥1
SOTF-Z3S-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-Z3S-OPT-BC
8500031B6B
SOTF-Z3S-OPT-AB
8400031B6A
Z3STP_BLOCK
830003EBB0
8200081B6D
8100081B6C
8000081B6B
8200081B6A
8100081B69
8000081B68
8200081B70
8100081B6F
8000081B6F
Z3S-MDDET
OFF
≥1
&
Z3S-EN
On
&
&
&
Z3S-OPT-AB
Z3S-OPT-BC
Z3S-OPT-CA
SOTF-Z3S BLOCK
830003EBB3
1
&
≥1
8700021B63
8600031C26
8500031C25
8400031C24
≥1
8200081B64
8100081B63
8000081B62
8600081B67
8500081B66
8400081B65
&
OCN-PS
≥1
PSBSRS
ON
Z3S-PSBBlk
Block
&
From ZG
M.PHASE_FAULT-R
M.PHASE_FAULT-F
Forward
Z3S-Dir
Reverse
NonDir
&
&
1
LES BLOCK
800008EBB2
Z3S-LEBlk
Block
1
≥1
Figure 2.10-40 Z3S/SOTF-Z3S scheme logics generating trip signals