Contents
1. Application.............................................................................3
2. Available functions..............................................................11
3. Differential protection......................................................25
4. Impedance protection...................................................... 27
5. Current protection............................................................. 31
6. Voltage protection.............................................................34
7. Frequency protection....................................................... 34
8. Multipurpose protection..................................................35
9. Secondary system supervision.......................................35
10. Control.................................................................................36
11. Scheme communication.................................................38
12. Logic.................................................................................... 39
13. Monitoring.......................................................................... 41
14. Metering..............................................................................43
15. Human machine interface..............................................43
16. Basic IED functions.......................................................... 44
17. Station communication .................................................44
18. Remote communication.................................................44
19. Hardware description..................................................... 45
20. Connection diagrams......................................................48
21. Technical data................................................................... 49
22. Ordering for customized IED.......................................124
23. Ordering for pre-configured IED................................ 135
24. Ordering for Accessories.............................................. 141
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 2015 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.
1MRK 504 155-BEN F
Transformer protection RET670 2.1 IEC
2
ABB