142
6
F
2
S
0
7
8
9
MT-1
MT-2
MT-3
MT-4
1REF(#187N)
1EF (#150N)
1EFI(#151N)
1EFI
1EF
Block Diagram of Transformer Differential Relay GRT100
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)
L
H
THR
FRQ
(#81)
L
H
FRQ
: Binary input/output
: Relay Element
Mechanical Trip 4
Mechanical Trip 3
Mechanical Trip 2
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
Block Diagram of Transformer Differential Relay GRT100
Summary of Contents for GRT100 Series
Page 142: ... 141 6 F 2 S 0 7 8 9 Appendix A Block Diagram ...
Page 144: ... 143 6 F 2 S 0 7 8 9 Appendix B Signal List ...
Page 159: ... 158 6 F 2 S 0 7 8 9 ...
Page 160: ... 159 6 F 2 S 0 7 8 9 Appendix C Variable Timer List ...
Page 162: ... 161 6 F 2 S 0 7 8 9 Appendix D Binary Output Default Setting List ...
Page 165: ... 164 6 F 2 S 0 7 8 9 ...
Page 166: ... 165 6 F 2 S 0 7 8 9 Appendix E Details of Relay Menu and LCD and Button Operation ...
Page 174: ... 173 6 F 2 S 0 7 8 9 Appendix F Case Outline Flush Mount Type Rack Mount Type ...
Page 179: ... 178 6 F 2 S 0 7 8 9 ...
Page 180: ... 179 6 F 2 S 0 7 8 9 Appendix G External Connections ...
Page 185: ... 184 6 F 2 S 0 7 8 9 ...
Page 200: ... 199 6 F 2 S 0 7 8 9 ...
Page 201: ... 200 6 F 2 S 0 7 8 9 Appendix J Return Repair Form ...
Page 205: ... 204 6 F 2 S 0 7 8 9 Customer Name Company Name Address Telephone No Facsimile No Signature ...
Page 206: ... 205 6 F 2 S 0 7 8 9 ...
Page 207: ... 206 6 F 2 S 0 7 8 9 Appendix K Technical Data ...
Page 220: ... 219 6 F 2 S 0 7 8 9 ...
Page 221: ... 220 6 F 2 S 0 7 8 9 Appendix M Symbols Used in Scheme Logic ...
Page 224: ... 223 6 F 2 S 0 7 8 9 ...
Page 225: ... 224 6 F 2 S 0 7 8 9 Appendix N Implementation of Thermal Model to IEC60255 8 ...
Page 228: ... 227 6 F 2 S 0 7 8 9 ...
Page 229: ... 228 6 F 2 S 0 7 8 9 Appendix O IEC60870 5 103 Interoperability and Troubleshooting ...
Page 241: ... 240 6 F 2 S 0 7 8 9 Appendix P Modbus Interoperability ...
Page 255: ... 254 6 F 2 S 0 7 8 9 ...
Page 256: ... 255 6 F 2 S 0 7 8 9 Appendix Q Inverse Time Characteristics ...
Page 259: ... 258 6 F 2 S 0 7 8 9 ...
Page 260: ... 259 6 F 2 S 0 7 8 9 Appendix R Failed Module Tracing and Replacement ...
Page 266: ... 265 6 F 2 S 0 7 8 9 Appendix S Ordering ...
Page 269: ... 268 6 F 2 S 0 7 8 9 3 1 Oct 2 2017 Republished under spin off company ...
Page 270: ......