
208
6
F
2
S
0
7
8
9
Time-overcurrent protection
High-set overcurrent element
Pick up level (OC, EF)
Delay time (TOC, TEF)
Operating time
0.10 to 20.00pu in 0.10pu steps
0.00 to 10.00s in 0.01s steps
typical 30ms (without delay time)
Inverse time overcurrent element
Pick up level (OCI, EFI)
Time multiplier (TOCI, TEFI)
Characteristic
0.10 to 5.00pu in 0.01pu steps
0.05 to 1.00 in 0.01 steps
Three IEC standard 60255-3 (Standard inverse, Very inverse,
Extremely inverse), or a Long-time inverse
*Refer to Appendix P.
Thermal overload protection
Thermal time constant (τ)
0.5 to 500.0min in 0.1min steps
Constant (k)
0.10 to 4.00 in 0.01 steps
Basic current (IB)
0.50 t0 2.50pu in 0.01pu steps
Special load current before overload (Ip)
0.00 to 1.00pu in 0.01 steps
Time for alarming (TA)
0 to 10min in 1min steps
Frequency protection
Overfrequency
50.00 to 55.00Hz in 0.01Hz steps (50Hz relay)
60.00 to 66.00Hz in 0.01Hz steps (60Hz relay)
Underfrequency
45.00 to 50.00Hz in 0.01Hz steps (50Hz relay)
54.00 to 60.00Hz in 0.01Hz steps (60Hz relay)
Delay time
0.00 to 60.00s in 0.01s steps
Start time
less than 100ms
Undervoltage blocking
40 to 100V in 1V steps
Overexitation protection
Pickup voltage
100.0 to 120.0V in 0.1V steps
Alarm level (A)
1.03 to 1.30pu in 0.01pu steps
High level (H)
1.10 to 1.40pu in 0.01pu steps
Low level (L)
1.05 to 1.30pu in 0.01pu steps
LT (Definite time)
1 to 600s in 1s steps
HT (Definite time)
1 to 600s in 1s steps
TVFH (Definite time)
1 to 600s in 1s steps
TVFA (Definite time)
1 to 600s in 1s steps
Start time
less than 130ms
RT (Definite time)
60 to 3600s in 1s steps
Accuracy
Current differential element: pick-up
reset
5%
5%
Time-overcurrent protection: pick-up
5%
Inverse time overcurrent characteristics:
Standard inverse, Very and long-time inverse
Extremely inverse
IEC60255-3 class 5
IEC60255-3 class 7.5
Thermal overload protection: pick-up
10%
Frequency protection: pick-up
0.03Hz
Overexitation protection
2% of pick-up voltage (frequency range
2%)
Содержание GRT100 Series
Страница 55: ... 54 6 F 2 S 0 7 8 9 TRANSFORMER PROTECTION GRT100 Operation keys 101B 21 11 Figure 3 1 9 Front Panel ...
Страница 142: ... 141 6 F 2 S 0 7 8 9 Appendix A Block Diagram ...
Страница 144: ... 143 6 F 2 S 0 7 8 9 Appendix B Signal List ...
Страница 159: ... 158 6 F 2 S 0 7 8 9 ...
Страница 160: ... 159 6 F 2 S 0 7 8 9 Appendix C Variable Timer List ...
Страница 162: ... 161 6 F 2 S 0 7 8 9 Appendix D Binary Output Default Setting List ...
Страница 165: ... 164 6 F 2 S 0 7 8 9 ...
Страница 166: ... 165 6 F 2 S 0 7 8 9 Appendix E Details of Relay Menu and LCD and Button Operation ...
Страница 174: ... 173 6 F 2 S 0 7 8 9 Appendix F Case Outline Flush Mount Type Rack Mount Type ...
Страница 179: ... 178 6 F 2 S 0 7 8 9 ...
Страница 180: ... 179 6 F 2 S 0 7 8 9 Appendix G External Connections ...
Страница 185: ... 184 6 F 2 S 0 7 8 9 ...
Страница 200: ... 199 6 F 2 S 0 7 8 9 ...
Страница 201: ... 200 6 F 2 S 0 7 8 9 Appendix J Return Repair Form ...
Страница 205: ... 204 6 F 2 S 0 7 8 9 Customer Name Company Name Address Telephone No Facsimile No Signature ...
Страница 206: ... 205 6 F 2 S 0 7 8 9 ...
Страница 207: ... 206 6 F 2 S 0 7 8 9 Appendix K Technical Data ...
Страница 220: ... 219 6 F 2 S 0 7 8 9 ...
Страница 221: ... 220 6 F 2 S 0 7 8 9 Appendix M Symbols Used in Scheme Logic ...
Страница 224: ... 223 6 F 2 S 0 7 8 9 ...
Страница 225: ... 224 6 F 2 S 0 7 8 9 Appendix N Implementation of Thermal Model to IEC60255 8 ...
Страница 228: ... 227 6 F 2 S 0 7 8 9 ...
Страница 229: ... 228 6 F 2 S 0 7 8 9 Appendix O IEC60870 5 103 Interoperability and Troubleshooting ...
Страница 241: ... 240 6 F 2 S 0 7 8 9 Appendix P Modbus Interoperability ...
Страница 255: ... 254 6 F 2 S 0 7 8 9 ...
Страница 256: ... 255 6 F 2 S 0 7 8 9 Appendix Q Inverse Time Characteristics ...
Страница 259: ... 258 6 F 2 S 0 7 8 9 ...
Страница 260: ... 259 6 F 2 S 0 7 8 9 Appendix R Failed Module Tracing and Replacement ...
Страница 266: ... 265 6 F 2 S 0 7 8 9 Appendix S Ordering ...
Страница 269: ... 268 6 F 2 S 0 7 8 9 3 1 Oct 2 2017 Republished under spin off company ...
Страница 270: ......