Toshiba GR200 Series Instruction Manual page 158

Z3S element
Zab ≤ Z3S
Zbc ≤ Z3S
Zca ≤ Z3S
NonDir
Forward
Z3S-Dir
Reverse
From ZG
M.PHASE_FAULT-F
&
&
M.PHASE_FAULT-R
Z3S-ARCBlk
830003EBB2 Z3S_ARCBLOCK
Distance common function
830003EBB1 Z3S_INST_OP
From VTF
1
VTF-DETECT
830003EBB3 SOTF-Z3S BLOCK
From SOTF-OC
SOTF-EN-COND
830003EBB0 Z3STP_BLOCK
8400031C24
AB
8500031C25
OCF3S
BC
8600031C26
CA
Z3S-OCFS Off
8000081B68
AB
8100081B69
LES-R
BC
8200081B6A
CA
8000081B6B
AB
8100081B6C
LES-L
BC
8200081B6D
CA
800008EBB2 LES BLOCK
Block
Z3S-LEBlk
800008EBB0 PSBS BLOCK
810008EBB1 PSBS F.RESET
Figure 2.10-40 Z3S/SOTF-Z3S scheme logics generating trip signals
8400031C20
Z3S-AB
8500031C21
Z3S-BC
8600031C22
Z3S-CA
OFF
Z3S-MDDET
≥1
≥1
On
≥1
&
&
A
OCCR
B
&
&
C
&
&
EFL
1
OCN-PS
≥1
Z3S-EN On
Z3S-SOTF On
&
1
1
≥1
≥1
8000081B6F
≥1
&
1
8100081B6F
≥1 & 1
8200081B70
1
≥1 &
AB
PSBS
OUT
BC
CA
1 ≥1
AB
PSBS
1
IN
BC
CA
PSBSRS
8700021B63
≥1
&
&
&
&
&
&
&
&
&
0.00-100.00s
&
&
&
&
&
&
&
&
8400081B65
& ≥1
&
8500081B66
&
8600081B67
0.020-0.100s
&
8000081B62
& ≥1
8100081B63
1
&
8200081B64
&
≥1
1
≥1
1
&
PSBSFR
ON
ON
- 135 -
6F2S1914 (0.49)
TZ3S ≥1
≥1
t 0
8300031B23
t 0
≥1
t 0
≥1
8400031B66
&
8500031B67
8600031B68
&
&
&
8400031B6A
8500031B6B
8600031B6C
≥1
8300031B2B
S
1 &
R
TPSBS
t 0
S
&
R
Z3S-PSBBlk
Block
&
t 0
≥1
0.05s
TPSBSFR
t 0
&
0.00-10.00s
GRL200 (Soft 033 & 037)
To Grouping logic
Z3S-OPT
Z3S-OPT-AB
Z3S-OPT-BC
Z3S-OPT-CA
Z3S-ARC-BLOCK
SOTF-Z3S-OPT-AB
SOTF-Z3S-OPT-BC
SOTF-Z3S-OPT-CA
SOTF-Z3S-TRIP
To CTF,VTF
PSBS-VCTF-BLK
1