Contents
1. Document revision history.................................................3
2. Application.............................................................................4
3. Available functions.............................................................10
4. Differential protection......................................................28
5. Impedance protection...................................................... 32
6. Wide area measurement system................................... 38
7. Current protection.............................................................38
8. Voltage protection............................................................. 41
9. Frequency protection....................................................... 42
10. Multipurpose protection................................................ 42
11. General calculation...........................................................42
12. Secondary system supervision..................................... 42
13. Control.................................................................................43
14. Scheme communication.................................................45
15. Logic.................................................................................... 48
16. Monitoring......................................................................... 50
17. Metering..............................................................................53
18. Human machine interface..............................................54
19. Basic IED functions.......................................................... 54
20. Ethernet.............................................................................. 54
21. Station communication ................................................. 55
22. Remote communication................................................. 57
23. Hardware description..................................................... 58
24. Connection diagrams...................................................... 61
25. Certification........................................................................61
26. Technical data................................................................... 62
27. Ordering for customized IED.......................................159
28. Ordering for pre-configured IED.................................171
29. Ordering for Accessories.............................................. 178
Disclaimer
The information in this document is subject to change without notice and should not be construed as a commitment by Hitachi Power Grids. Hitachi
Power Grids assumes no responsibility for any errors that may appear in this document. Drawings and diagrams are not binding. ABB is a registered
trademark of ABB Asea Brown Boveri Ltd. Manufactured by/for a Hitachi Power Grids company.
© Copyright 2017 Hitachi Power Grids. 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.
Line differential protection RED670
1MRK 505 379-BEN N
2 Hitachi Power Grids
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