Toshiba GR200 Series Instruction Manual page 155

Scheme logic
2.10.7
ZS logic
(i)
Figure 2.10-37 shows the ZS logic and corresponding SOTF logics.
Z1S element
Zab ≤ Z1S
Zbc ≤ Z1S
Zca ≤ Z1S
Checking
particular reach
ZminF-AB
Z-min
ZminF-BC
PERM Check
To Z1XS,Z5S
ZminF-CA
ZminR-AB
ZminF-PERM-AB
ZminF-PERM-BC
ZminR-BC
ZminF-PERM-CA
ZminR-CA
ZminR-PERM-AB
ZminR-PERM-BC
ZminR-PERM-CA
From ZG
Z1_M.PHASE_FAULT
Z1S-ARCBlk
8000001BBB2 Z1S_ARCBLOCK
Distance common function
Z1CNT-ARCBlk
On
&
Z1CNT-INSTOP
On
&
Z1CNT-TPBlk
On
&
800000EBB0 Z1CNT_MPROT
1
8000011BB1 Z1S_INST_OP
From VTF
1
VTF-DETECT
From DISCAR
DISCAR=PUP
800001EBB0 SOTF-Z1S BLOCK
From SOTF-OC
SOTF-EN-COND
800001EBB0 Z1STP_BLOCK
8000011C24
AB
8100011C25
OCF1S
BC
8200011C26
CA
Z1S-OCFS Off
8000081B68
AB
8100081B69
LES-R
BC
8200081B6A
CA
8000081B6B
AB
8100081B6C
LES-L
BC
8200081B6D
CA
800008EBB2 LES BLOCK
Z1S-LEBlk Block
800008EBB0 PSBS BLOCK
810008EBB1 PSBS F.RESET
Figure 2.10-37 Z1S/SOTF-Z1S scheme logics generating trip signals
&
≥1
&
≥1
&
≥1
8000011C20
Z1S-AB
8100011C21
Z1S-BC
8200011C22
Z1S-CA
OFF
Z1S-MDDET
≥1
≥1
On
≥1
≥1
&
&
A
OCCR
B
&
&
C
&
&
EFL
1
OCN-PS
≥1
Z1S-EN On
&
1
Z1S-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
8300011B63
≥1
&
&
&
&
&
&
&
&
&
0.00-100.00s
&
&
&
&
≥1
&
&
&
&
8400081B65
& ≥1
&
8500081B66
&
8600081B67
0.020-0.100s
&
8000081B62
& ≥1
8100081B63
1
&
8200081B64
&
≥1
1
≥1
1
&
PSBSFR
ON
ON
- 132 -
6F2S1914 (0.49)
TZ1S ≥1
≥1
t 0
8000011B23
t 0
≥1
t 0
≥1
8000011B66
&
8100011B67
8200011B68
&
&
&
8000011B6A
8100011B6B
8200011B6C
≥1
8000011B2B
S
1 &
R
TPSBS
t 0
S
&
R
Z1S-PSBBlk
Block
&
t 0
≥1
0.05s
TPSBSFR
t 0
&
0.00-10.00s
GRL200 (Soft 033 & 037)
To Grouping logic
Z1S-OPT
Z1S-OPT-AB
Z1S-OPT-BC
Z1S-OPT-CA
Z1S-ARC-BLOCK
SOTF-Z1S-OPT-AB
SOTF-Z1S-OPT-BC
SOTF-Z1S-OPT-CA
SOTF-Z1S-TRIP
To CTF,VTF
PSBS-VCTF-BLK
8000081B61
1