Toshiba GR200 Series - 2.10.7 Scheme logic; (i) ZS logic

6F2S1914 (0.49)
GRL200 (Soft 033 & 037)
- 132 -
2.10.7 Scheme logic
(i) ZS logic
Figure 2.10-37 shows the ZS logic and corresponding SOTF logics.
&
&
&
Zab ≤ Z1S
Zbc ≤ Z1S
Zca ≤ Z1S
Z1S-AB
Z1S-BC
Z1S-CA
1
Distance common function
&
&
&
&
t
0
0.00-100.00s
TZ1S
t
0
t
0
≥1
&
&
≥1
Z1S-OPT
&
&
&
SOTF-Z1S-OPT-CA
≥1
DISCAR=PUP
≥1
&
Z1S_INST_OP
8000011BB1
8200011C22
8100011C21
8000011C20
Z1S-SOTF
On
SOTF-EN-COND
8200011B6C
8000011B2B
8100011B67
8200011B68
8000011B66
8000011B23
From SOTF-OC
OCCR
A
B
C
VTF-DETECT
From VTF
&
&
&
&
&
&
&
≥1
&
&
&
1
From DISCAR
1
&
OCF1S
AB
BC
CA
≥1
Z1S-OCFS
Off
≥1
Z1CNT-TPBlk
On
On
Z1CNT-ARCBlk
On
Z1CNT-INSTOP
&
&
&
Z1CNT_MPROT
800000EBB0
1
Z1S-ARCBlk
On
≥1
Z1S_ARCBLOCK
8000001BBB2
&
Z1S-ARC-BLOCK
Z1S element
≥1
≥1
SOTF-Z1S-TRIP
To Grouping logic
LES-R
AB
BC
CA
LES-L
AB
BC
CA
≥1
≥1
≥1
1
LES BLOCK
800008EBB2
&
&
&
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-Z1S-OPT-BC
8100011B6B
SOTF-Z1S-OPT-AB
8000011B6A
Z1STP_BLOCK
800001EBB0
8200081B6D
8100081B6C
8000081B6B
8200081B6A
8100081B69
8000081B68
8200081B70
8100081B6F
8000081B6F
Z1S-LEBlk
Block
≥1
Z1_M.PHASE_FAULT
From ZG
Z1S-MDDET
OFF
≥1
&
Z1S-EN
On
&
&
&
Z1S-OPT-AB
Z1S-OPT-BC
Z1S-OPT-CA
SOTF-Z1S BLOCK
800001EBB0
1
&
≥1
8300011B63
8200011C26
8100011C25
8000011C24
≥1
8200081B64
8100081B63
8000081B62
8600081B67
8500081B66
8400081B65
&
OCN-PS
≥1
PSBSRS
ON
Z1S-PSBBlk
Block
&
8000081B61
Checking
particular reach
ZminF-AB
ZminF-BC
ZminF-CA
ZminR-AB
ZminR-BC
ZminR-CA
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
To Z1XS,Z5S
1
Figure 2.10-37 Z1S/SOTF-Z1S scheme logics generating trip signals