⎯
49
⎯
6 F 2 S 0 8 4 6
•
The forward overreaching element operates.
•
The undervoltage element UVL (UVLS or UVLG) operates and the forward
overreaching and the reverse looking elements do not operate.
The latter is implemented when the weak infeed trip function is selected.
To select the faulted phase reliably, phase selection is performed using the phase selection element
UVC. Phase selection logic is described in Section 2.4.3.7.
≥
1
&
≥
1
≥
1
&
&
&
CB-OR
Z4
Z2
Z3
UVL
" ON "
NON VTF
PSB
ECH
WIT
0. 00-10.00s
S-TRIP
M-TRIP
20ms
Phase
Selection
t
0
0
t
&
CS
CRL
[ZONESEL]
"Z3"
"Z2"
[PSB-CR]
1
R1-CR
TREBK
≥
1
&
TECCB
0.00 - 200.00s
t 0
TSBCT
0.00 – 1.00s
0 t
&
≥
1
0-50ms
0 t
TCHD
&
PSCM_TCHDEN
1842
1
1
&
Figure 2.4.3.3 UOP Scheme Logic
Setting
The following shows the setting elements necessary for the UOP and their setting ranges.
For the settings of Z2, Z3, and UVC, refer to Section 2.4.1.
Element Range
Step
Default
Remarks
UVL
Weak infeed trip element
UVLS
50 - 100 V
1V
77V
Undervoltage detection (phase fault)
UVLG
10 - 60 V
1V
45V
Undervoltage detection (earth fault)
Z4S
0.01 - 50.00
Ω
0.01
Ω
8.00
Ω
Z4 reach
(0.1 – 250.0
Ω
0.1
Ω
40.0
Ω
) (*)
BRRS
0.10 - 20.00
Ω
0.01
Ω
5.10
Ω
Reverse right blinder reach
(0.5 - 100.0
Ω
0.1
Ω
25.5
Ω
)
Z4G
0.01 - 100.00
Ω
0.01
Ω
8.00
Ω
Z4 reach
(0.1 – 500.0
Ω
0.1
Ω
40.0
Ω
)
BRRG
0.10 - 20.00
Ω
0.01
Ω
5.10
Ω
Reverse right blinder reach
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: ......