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6 F 2 S 0 8 5 7
EXT_MEC.TP1
1REF
(
#187N
)
1EF
(
#150N
)
1EFI
(
#151N
)
1EFI
1EF
DIFT
(#87)
2f lock
HOC
DIF
5f lock
F/F
Q
R
S
&
1
1
Scheme Logic No.1
TRIP-1
RESET
L/O
DIFT
Selection
switches for
each element
−
(OFF)
+
(ON)
1OC
(
#150
)
1OCI
(
#151
)
1OCI
1OC
2OC
(
#250
)
2OCI
(
#251
)
2OCI
2OC
3OC
(
#350
)
3OCI
(
#351
)
3OCI
3OC
2REF
(
#287N
)
2EF
(
#250N
)
2EFI
(
#251N
)
2EFI
2EF
1REF
2REF
3REF
(
#387N
)
3EF
(
#350N
)
3EFI
(
#351N
)
3EFI
3EF
3REF
V
/
F
(
#59
/
81
)
L
H
V/F
THR
(
#49
)
S
A
THR
FRQ
(
#81
)
L
H
FRQ
: Binary input/output
: Relay Element
Ext.Mechanical Trip 1
-
(OFF)
+
(ON)
TRIP OUTPUT
CONTACT No.1
TP1
Scheme Logic No.2
Same as
No.1
circuit
TRIP-2
DIFT
1OC
1OCI
2OC
2OCI
3OC
3OCI
1REF
1EF
1EFI
2REF
2EF
2EFI
3REF
3EF
3EFI
V/F
THR
FRQ
MT-1
MT-2
MT-3
MT-4
0.00-10.00s
0 t
0.00-10.00s
0 t
0.00-10.00s
0 t
0.00-10.00s
0 t
0.00-10.00s
0 t
0.00-10.00s
0 t
0.00-10.00s
0 t
0.00-10.00s
0 t
0.00-10.00s
0 t
1
&
&
&
≥ 1
≥ 1
≥ 1
≥ 1
≥ 1
≥ 1
TRIP OUTPUT
CONTACT No.2
TP2
TRIP OUTPUT
CONTACT No.3
TP3
TRIP OUTPUT
CONTACT No.4
TP4
TRIP OUTPUT
CONTACT No.5
TP5
Scheme Logic No.3
Same as
No.1
circuit
TRIP-3
DIFT
1OC
1OCI
2OC
2OCI
3OC
3OCI
1REF
1EF
1EFI
2REF
2EF
2EFI
3REF
3EF
3EFI
V/F
THR
FRQ
MT-1
MT-2
MT-3
MT-4
Scheme Logic No.4
Same as
No.1
circuit
TRIP-4
DIFT
1OC
1OCI
2OC
2OCI
3OC
3OCI
1REF
1EF
1EFI
2REF
2EF
2EFI
3REF
3EF
3EFI
V/F
THR
FRQ
MT-1
MT-2
MT-3
MT-4
Scheme Logic No.5
Same as
No.1
circuit
TRIP-5
DIFT
1OC
1OCI
2OC
2OCI
3OC
3OCI
1REF
1EF
1EFI
2REF
2EF
2EFI
3REF
3EF
3EFI
V/F
THR
FRQ
MT-1
MT-2
MT-3
MT-4
Ext.Mechanical Trip ２
Ext.Mechanical Trip ３
Ext.Mechanical Trip４
EXT_MEC.TP2
EXT_MEC.TP3
EXT_MEC.TP4
Note: Models 203 and 204 are not provided with TRIP-4 and TRIP-5.
Block Diagram of Transformer Differential Relay GRT100