Toshiba GR200 Series - Page 159

6F2S1914 (0.49)
GRL200 (Soft 033 & 037)
- 136 -
&
&
&
Zab ≤ Z4S
Zbc ≤ Z4S
Zca ≤ Z4S
Z4S-AB
Z4S-BC
Z4S-CA
1
Distance common function
&
&
&
&
t
0
0.00-100.00s
TZ4S
t
0
t
0
≥1
&
&
≥1
Z4S-OPT
&
&
&
SOTF-Z4S-OPT-CA
≥1
&
Z4S_INST_OP
840004EBB1
8A00041C22
8900041C21
8800041C20
Z4S-SOTF
On
SOTF-EN-COND
8A00041B6C
8400041B2B
8900041B67
8A00041B68
8800041B66
8400041B23
From SOTF-OC
OCCR
A
B
C
VTF-DETECT
From VTF
&
&
&
&
&
&
≥1
&
&
&
1
&
OCF4S
AB
BC
CA
≥1
Z4S-OCFS
Off
≥1
Z4S-ARCBlk
On
Z4S_ARCBLOCK
840004EBB2
&
Z4S-ARC-BLOCK
Z4S element
≥1
≥1
SOTF-Z4S-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-Z4S-OPT-BC
8900041B6B
SOTF-Z4S-OPT-AB
8800041B6A
Z4STP_BLOCK
840004EBB0
8200081B6D
8100081B6C
8000081B6B
8200081B6A
8100081B69
8000081B68
8200081B70
8100081B6F
8000081B6F
Z4S-MDDET
OFF
≥1
&
Z4S-EN
On
&
&
&
Z4S-OPT-AB
Z4S-OPT-BC
Z4S-OPT-CA
SOTF-Z4S BLOCK
840004EBB3
1
&
≥1
8B00041B63
8A00041C26
8900041C25
8800041C24
≥1
8200081B64
8100081B63
8000081B62
8600081B67
8500081B66
8400081B65
&
OCN-PS
≥1
PSBSRS
ON
Z4S-PSBBlk
Block
&
From ZG
M.PHASE_FAULT-R
M.PHASE_FAULT-F
Forward
Z4S-Dir
Reverse
NonDir
&
&
1
LES BLOCK
800008EBB2
Z4S-LEBlk
Block
1
≥1
Figure 2.10-41 Z4S/SOTF-Z4S scheme logics generating trip signals