Table of Contents
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Transformer protection RET650
Product version: 1.1
Contents
1. 650 series overview..............................................3
2. Application...........................................................3
3. Available functions...............................................7
4. Differential protection.........................................17
5. Current protection..............................................18
6. Voltage protection..............................................19
7. Frequency protection.........................................20
8. Secondary system supervision..........................21
9. Control................................................................21
10. Logic..................................................................22
Disclaimer
The information in this document is subject to change without notice and should not be construed as a commitment by ABB AB. ABB AB assumes
no responsibility for any errors that may appear in this document.
© Copyright 2011 ABB AB.
All rights reserved.
Trademarks
ABB and Relion are registered trademarks of ABB Group. All other brand or product names mentioned in this document may be trademarks or
registered trademarks of their respective holders.
2
11. Monitoring.........................................................23
12. Metering............................................................26
13. Human Machine interface.................................26
14. Basic IED functions...........................................27
15. Station communication.....................................28
16. Hardware description........................................29
17. Connection diagrams........................................30
18. Technical data...................................................37
19. Ordering............................................................73
1MRK 504 127-BEN -
Issued: February 2011
ABB
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