⎯
234
⎯
6 F 2 S 0 8 4 6
changed in case of OST-ZN.)
•
Press 5 (= Logic circuit) on the "Test" screen to display the "Logic circuit" screen.
•
Enter 84 as a signal number to be observed at monitoring jack A and press the ENTER key.
•
Apply a three-phase rated voltage.
•
Choose a test current IT by referring to the table below, which shows the relation of setting
reach and test current.
Reach setting
IT
0.2 – 3.0
Ω
(1 - 15
Ω
10A
2.0A)(*)
3.1 – 10.0
Ω
(16 - 50
Ω
5A
1.0A)
10.1 – 20.0
Ω
(51 - 100
Ω
2.5A
0.5A)
20.1 – 30.0
Ω
(101 - 150
Ω
1.5A
0.3A)
30.1 – 50.0
Ω
(151 - 250
Ω
1A
0.2A)
(*) Values shown in parentheses are in the case of 1A rating.
Other values are in the case of 5A rating.
OSTXF
•
Set the voltage and current phase relation as shown below. That is, Va lags Vc by 90°, Vb =
−
Va and IT lags Va by 90°.
90
°
90
°
Vb
Va
Vc
IT
•
Adjust the magnitude of Va and Vb while retaining the conditions above and measure the
voltage Va at which the element operates.
•
The theoretical operating voltage is obtained by 2IT
×
ZOST when the setting reach is ZOST.
Check that the measured voltage is within
±
5% of the theoretical voltage value when it is
expressed with 2Va (= Va
−
Vb).
Element
ZOST
IT
2IT
×
ZOST Measured voltage (2V
a
)
OSTXF
OSTXB
•
Set the voltage and current phase relation as shown below. That is, Va lags Vc by 90°, Vb =
−
Va and IT leads Va by 90°.
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: ......