
⎯
241
⎯
6 F 2 S 0 8 4 6
•
Apply the three-phase balance current at 10% of the rated current and interrupt a phase
current.
Then, check the BCD element operates.
6.5.1.9 Overvoltage / undervoltage elements OVS1, OVS2, OVG1, OVG2, UVS1, UVS2, UVG1, UVG2
The testing circuit is shown in Figure 6.5.1.6.
TB4 -A16
-B17
E
GRZ100
DC
power
supply
+
−
V
TB1
+
−
Variable-
Voltage source
-11
-12 or
-14(*)
DC
voltmeter
+
0V
Monitoring
jack
A
0V
(
∗
) TB1-12 for OVS1, OVS2, UVS1 and UVS2, TB1-14 for OVG1, OVG2, UVG1 and UVG2.
Figure 6.5.1.6 Operating Value Test Circuit
The output signal of testing element is assigned to the monitoring jack A.
Overvoltage and undervoltage elements and their output signal number are listed below.
Element Signal
No.
OVS1-AB
OVS2-AB
OVG1-A
OVG2-A
UVS1-AB
UVS2-AB
UVG1-A
UVG2-A
436
439
442
445
454
457
460
463
•
Enter the signal number to observe the operation at the monitoring jack A as shown in
Section 6.5.1.
Operating value test of OVS1, OVS2, OVG1, OVG2
•
Apply a rated voltage as shown in Figure 6.5.1.6.
•
Increase the voltage and measure the value at which the element operates. Check that the
measured value is within
±
5% of the setting.
Operating value test of UVS1, UVS2, UVG1, UVG2
•
Apply a rated voltage and frequency as shown Figure 6.5.1.6.
•
Decrease the voltage and measure the value at which the element operates. Check that the
measured value is within
±
5% of the setting.
Summary of Contents for GRZ100 B Series
Page 264: ... 263 6 F 2 S 0 8 4 6 Appendix A Block Diagram ...
Page 271: ... 270 6 F 2 S 0 8 4 6 ...
Page 272: ... 271 6 F 2 S 0 8 4 6 Appendix B Signal List ...
Page 307: ... 306 6 F 2 S 0 8 4 6 ...
Page 308: ... 307 6 F 2 S 0 8 4 6 Appendix C Variable Timer List ...
Page 310: ... 309 6 F 2 S 0 8 4 6 Appendix D Binary Input Output Default Setting List ...
Page 321: ... 320 6 F 2 S 0 8 4 6 ...
Page 322: ... 321 6 F 2 S 0 8 4 6 Appendix E Details of Relay Menu and LCD Button Operation ...
Page 331: ... 330 6 F 2 S 0 8 4 6 ...
Page 340: ... 339 6 F 2 S 0 8 4 6 Appendix G Typical External Connections ...
Page 377: ... 376 6 F 2 S 0 8 4 6 ...
Page 384: ... 383 6 F 2 S 0 8 4 6 Appendix J Return Repair Form ...
Page 388: ... 387 6 F 2 S 0 8 4 6 Customer Name Company Name Address Telephone No Facsimile No Signature ...
Page 389: ... 388 6 F 2 S 0 8 4 6 ...
Page 390: ... 389 6 F 2 S 0 8 4 6 Appendix K Technical Data ...
Page 401: ... 400 6 F 2 S 0 8 4 6 ...
Page 402: ... 401 6 F 2 S 0 8 4 6 Appendix L Symbols Used in Scheme Logic ...
Page 405: ... 404 6 F 2 S 0 8 4 6 ...
Page 406: ... 405 6 F 2 S 0 8 4 6 Appendix M Example of Setting Calculation ...
Page 417: ... 416 6 F 2 S 0 8 4 6 ...
Page 418: ... 417 6 F 2 S 0 8 4 6 Appendix N IEC60870 5 103 Interoperability and Troubleshooting ...
Page 434: ... 433 6 F 2 S 0 8 4 6 Appendix P Inverse Time Characteristics ...
Page 437: ... 436 6 F 2 S 0 8 4 6 ...
Page 438: ... 437 6 F 2 S 0 8 4 6 Appendix Q Failed Module Tracing and Replacement ...
Page 444: ... 443 6 F 2 S 0 8 4 6 Appendix R Ordering ...
Page 447: ......