Toshiba GR200 Series Instruction Manual page 159

Z4S element
Zab ≤ Z4S
Zbc ≤ Z4S
Zca ≤ Z4S
NonDir
Forward
Z4S-Dir
Reverse
From ZG
M.PHASE_FAULT-F
&
&
M.PHASE_FAULT-R
Z4S-ARCBlk
840004EBB2 Z4S_ARCBLOCK
Distance common function
840004EBB1 Z4S_INST_OP
From VTF
1
VTF-DETECT
840004EBB3 SOTF-Z4S BLOCK
From SOTF-OC
SOTF-EN-COND
840004EBB0 Z4STP_BLOCK
8800041C24
AB
8900041C25
OCF4S
BC
8A00041C26
CA
Z4S-OCFS Off
8000081B68
AB
8100081B69
LES-R
BC
8200081B6A
CA
8000081B6B
AB
8100081B6C
LES-L
BC
8200081B6D
CA
800008EBB2 LES BLOCK
Block
Z4S-LEBlk
800008EBB0 PSBS BLOCK
810008EBB1 PSBS F.RESET
Figure 2.10-41 Z4S/SOTF-Z4S scheme logics generating trip signals
8800041C20
Z4S-AB
8900041C21
Z4S-BC
8A00041C22
Z4S-CA
OFF
Z4S-MDDET
≥1
≥1
On
≥1
&
&
A
OCCR
B
&
&
C
&
&
EFL
1
OCN-PS
≥1
Z4S-EN On
Z4S-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
8B00041B63
≥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
- 136 -
6F2S1914 (0.49)
TZ4S ≥1
≥1
t 0
8400041B23
t 0
≥1
t 0
≥1
8800041B66
&
8900041B67
8A00041B68
&
&
&
8800041B6A
8900041B6B
8A00041B6C
≥1
8400041B2B
S
1 &
R
TPSBS
t 0
S
&
R
Z4S-PSBBlk
Block
&
t 0
≥1
0.05s
TPSBSFR
t 0
&
0.00-10.00s
GRL200 (Soft 033 & 037)
To Grouping logic
Z4S-OPT
Z4S-OPT-AB
Z4S-OPT-BC
Z4S-OPT-CA
Z4S-ARC-BLOCK
SOTF-Z4S-OPT-AB
SOTF-Z4S-OPT-BC
SOTF-Z4S-OPT-CA
SOTF-Z4S-TRIP
To CTF,VTF
PSBS-VCTF-BLK
1