Toshiba GRL100-701B Instruction Manual page 289

DIF
DIFG
UVC
Z1G
&
Z2G
&
Z3G
&
ZRG
&
Z1S
Z2S
Z3S
ZRS
&
Z3S
Command protection scheme logic
Z4S
- PUP
- POP
UVL
- UOP
- BOP
DEFF
DEFR
EF
Directional
EFI
control
OC
OCI
THR
OCH
Z1,Z2,Z3 or ZR
1
UVPWI
OCBF
EFL
OVGF
UVF
OCD1
PSB
OST
t 0 TBCD
t 0
BCD
t
0 TOS1
t 0
OVS1
t 0 TOG1
t 0
OVG1
t 0 TUS1
t 0
UVS1
t
0 TUG1
t 0
UVG1
t 0 TOS2
t 0
OVS2
t
0 TOG2
t 0
OVG2
t 0 TUS2
t 0
UVS2
t 0 TUG2
t 0
UVG2
t
0
t 0
TDIFG
Phase
t 0 Selection
t 0
TZ1G
t 0 TZ2G
t 0
≧1
t 0 TZ3G
t 0 ≧1
t 0 TZRG
t 0
t
0
t 0
TZ1S
t 0 TZ2S
t 0
≧1
t 0 TZ3S
t 0
t 0 TZRS
t 0
Phase
Selection
Signal receive
Signal Send
t 0 TDEF
t t 0 0
≧1
t 0 TDER
t t 0 0
t 0 TEF
t 0 0
≧1
t 0 TOC
t 0
≧1
SOTF-OC & SOTF-Z
scheme logic
CB
STUB-OC scheme
CB
logic
Isolator
t 0 TBF1
t 0
t 0 TBF2
t 0
&
Trip
VTF scheme
logic
≧1
MCB trip
of VT
PSB scheme
logic
OST scheme
logic
Alarm
≧1
Block Diagram of Line Differential Relay GRL100-7∗∗
 288 
Zone 1 Trip
&
≧1
Zone Back-up Trip
&
Command protection
Trip
&
DEF & EF
Back-up Trip
Parallel line link condition A (Term.1)
Parallel line link condition B (Term.1)
Parallel line link condition C (Term.1)
≧1
Parallel line link condition A (Term.2)
OC Back-up
Trip
Parallel line link condition B (Term.2)
Parallel line link condition C (Term.2)
External trip A
THR Trip
External trip B
External trip C
SOTF Trip
Stub Trip
CBF Re-trip
CBF Related CB trip
≧1
Out of step trip
CBF Related CB trip
6 F 2 S 0 8 5 0
≧1
Bus CB Trip Command
≧1
Center CB Trip Command
Bus CB Reclose Command
Center CB Reclose Command
Autoreclose scheme logic
- SPAR
- TPAR
(with synchronism check)
- SPAR+TPAR
- Multi-pole ARC (BUS CB only)
- Multi-shot Autoreclose (4shots)
- 1.5CB busbar application
CB1 ARC ready
CB2 ARC ready
ARC block
CB1 contact A
CB1 contact B
Interlink
CB1 contact C
Condition
CB2 contact A
Circuit
CB2 contact B
between
CB2 contact C
Local and
Disconnector N/O contact
Remote
Disconnector N/C contact
terminal
External CB close signal
Backup protection block (43CH)
Transfer trip command1 (85S1)
Transfer trip command2 (85S2)
Related CB trip Command
: Measuring element
: Binary input/output
SYN
UV
OV
Comm.
Channel
(for DIF)
(Sending)