Contents
1. Application..................................................................... 3
2. Available functions........................................................10
3. Differential protection....................................................23
4. Impedance protection.................................................. 25
5. Current protection........................................................ 29
6. Voltage protection........................................................ 31
7. Frequency protection....................................................32
8. Multipurpose protection................................................32
9. Secondary system supervision..................................... 33
10. Control........................................................................ 33
11. Scheme communication..............................................35
12. Logic...........................................................................35
13. Monitoring...................................................................36
14. Metering......................................................................38
15. Human machine interface............................................39
16. Basic IED functions..................................................... 39
17. Station communication ...............................................39
18. Remote communication.............................................. 40
19. Hardware description.................................................. 40
20. Connection diagrams.................................................. 43
21. Technical data.............................................................44
22. Ordering for customized IED......................................104
23. Ordering for pre-configured IED.................................115
24. Ordering for Accessories........................................... 121
Disclaimer
The information in this document is subject to change without notice and should not be construed as a commitment by ABB. ABB assumes no responsibility for any errors
that may appear in this document. Drawings and diagrams are not binding.
© Copyright 2014 ABB.
All rights reserved.
Trademarks
ABB and Relion are registered trademarks of the ABB Group. All other brand or product names mentioned in this document may be trademarks or registered trademarks
of their respective holders.
Transformer protection RET670 2.0
1MRK 504 141-BEN C
Product version: 2.0
2 ABB
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