⎯
393
⎯
6
F
2
S
0
8
4
6
Directional Earth Fault Protection
Characteristic angle
Polarising voltage (3V0)
Zero-sequence current (3I0)
Time multiplier for inverse time characteristic
Definite time delay for backup trip
Accuracy of pick-up value
0 to 90
°
in 1
°
steps (3I0 lags for
−
3V0)
1.7 to 21.0V in 0.1V steps
0.10 to 1.00A in 0.01A in 0.01A steps (1A relay)
0.5 to 5.0A in 0.1A steps (5A relay)
0.05 to 1.00 in 0.01 steps
0.00 to 10.00s in 0.01s steps
±
5%
Directional Earth Fault Command Protection
Time for delayed trip
Coordination time
0.00 to 0.30s in 0.01s steps
0 to 50ms in 1ms steps
Inverse Time Earth Fault Protection
Earth fault
Time multiplier
Characteristic
Accuracy of inverse time characteristics
Reset definite time
0.10 to 1.00A in 0.01A steps (1A relay)
0.5 to 5.0A in 0.1A steps (5A relay)
0.05 to 1.00 in 0.01 steps
Refer to Figure 8.
Standard, Very and Long-time: IEC60255-3 class 5
Extremely inverse: IEC60255-3 class 7.5
0.0 to 10.0s in 0.1s steps
Definite Time Earth Fault Protection
Earth fault
Time for delayed trip
Accuracy of pick-up value
0.10 to 1.00A in 0.01A steps (1A relay)
0.5 to 5.0A in 0.1A steps (5A relay)
0.00 to 10.00s in 0.01s steps
±
5%
Weak Infeed and Echo Protection
Phase-to-phase undervoltage element
Phase-to-earth undervoltage element
50 to 100V in 1V steps
10 to 60V in 1V steps
Thermal overload Protection
Thermal setting (THM = k.I
FLC
)
Time constant (
τ
)
Thermal alarm
Pre-load current setting
OFF, 0.40 – 2.00A in 0.01A steps (1A rating)
OFF, 2.0 – 10.0A in 0.1A steps (5A rating)
0.5 – 300.0mins in 0.1min steps
OFF, 50% to 99% in 1% steps
0.00 – 1.00A in 0.01A steps (1A rating)
0.0 – 5.0A in 0.1A steps (5A rating)
Overvoltage Protection
1
st
, 2
nd
Overvoltage thresholds:
Delay type:
IDMTL Time Multiplier Setting TMS:
DTL delay:
DO/PU ratio
Reset Delay (1
st
threshold only):
OFF, 5.0 – 150.0V in 0.1V steps (for both phase-to-phase and
phase-to-neutral voltage)
DTL, IDMTL(1
st
threshold only)
0.05 – 100.00 in 0.01 steps
0.00 – 300.00s in 0.01s steps
10 – 98% in 1% steps
0.0 – 300.0s in 0.1s steps
Undervoltage Protection
1
st
, 2
nd
Undervoltage thresholds:
Delay type:
IDMTL Time Multiplier Setting TMS:
DTL delay:
DO/PU ratio
Reset Delay (1
st
threshold only):
OFF, 5.0 – 150.0V in 0.1V steps (for both phase-to-phase and
phase-to-neutral voltage)
DTL, IDMTL(1
st
threshold only)
0.05 – 100.00 in 0.01 steps
0.00 – 300.00s in 0.01s steps
10 – 98% in 1% steps
0.0 – 300.0s in 0.1s steps
Содержание GRZ100 B Series
Страница 264: ... 263 6 F 2 S 0 8 4 6 Appendix A Block Diagram ...
Страница 271: ... 270 6 F 2 S 0 8 4 6 ...
Страница 272: ... 271 6 F 2 S 0 8 4 6 Appendix B Signal List ...
Страница 307: ... 306 6 F 2 S 0 8 4 6 ...
Страница 308: ... 307 6 F 2 S 0 8 4 6 Appendix C Variable Timer List ...
Страница 310: ... 309 6 F 2 S 0 8 4 6 Appendix D Binary Input Output Default Setting List ...
Страница 321: ... 320 6 F 2 S 0 8 4 6 ...
Страница 322: ... 321 6 F 2 S 0 8 4 6 Appendix E Details of Relay Menu and LCD Button Operation ...
Страница 331: ... 330 6 F 2 S 0 8 4 6 ...
Страница 340: ... 339 6 F 2 S 0 8 4 6 Appendix G Typical External Connections ...
Страница 377: ... 376 6 F 2 S 0 8 4 6 ...
Страница 384: ... 383 6 F 2 S 0 8 4 6 Appendix J Return Repair Form ...
Страница 388: ... 387 6 F 2 S 0 8 4 6 Customer Name Company Name Address Telephone No Facsimile No Signature ...
Страница 389: ... 388 6 F 2 S 0 8 4 6 ...
Страница 390: ... 389 6 F 2 S 0 8 4 6 Appendix K Technical Data ...
Страница 401: ... 400 6 F 2 S 0 8 4 6 ...
Страница 402: ... 401 6 F 2 S 0 8 4 6 Appendix L Symbols Used in Scheme Logic ...
Страница 405: ... 404 6 F 2 S 0 8 4 6 ...
Страница 406: ... 405 6 F 2 S 0 8 4 6 Appendix M Example of Setting Calculation ...
Страница 417: ... 416 6 F 2 S 0 8 4 6 ...
Страница 418: ... 417 6 F 2 S 0 8 4 6 Appendix N IEC60870 5 103 Interoperability and Troubleshooting ...
Страница 430: ... 429 6 F 2 S 0 8 4 6 Appendix O Programmable Reset Characteristics and Implementation of Thermal Model to IEC60255 8 ...
Страница 434: ... 433 6 F 2 S 0 8 4 6 Appendix P Inverse Time Characteristics ...
Страница 437: ... 436 6 F 2 S 0 8 4 6 ...
Страница 438: ... 437 6 F 2 S 0 8 4 6 Appendix Q Failed Module Tracing and Replacement ...
Страница 444: ... 443 6 F 2 S 0 8 4 6 Appendix R Ordering ...
Страница 447: ......