Table of contents
Section 1
Introduction............................................................................................................ 13
1.1
This manual.............................................................................................................................................. 13
1.2
Intended audience.................................................................................................................................. 13
1.3
Product documentation........................................................................................................................ 14
1.3.1
Product documentation set............................................................................................................. 14
1.3.2
Document revision history............................................................................................................... 15
1.3.3
Related documents............................................................................................................................ 15
1.4
1.4.1
Symbols................................................................................................................................................ 16
1.4.2
Document conventions..................................................................................................................... 17
1.5
Section 2
Safety information.................................................................................................27
2.1
Symbols on the product........................................................................................................................ 27
2.2
Warnings...................................................................................................................................................27
2.3
Caution signs...........................................................................................................................................28
2.4
Note signs................................................................................................................................................ 29
Section 3
Available functions................................................................................................ 31
3.1
Main protection functions.....................................................................................................................31
3.2
Back-up protection functions.............................................................................................................. 32
3.3
3.4
Communication...................................................................................................................................... 39
3.5
Basic IED functions................................................................................................................................ 42
Section 4
Starting up..............................................................................................................45
4.1
4.2
Commissioning checklist......................................................................................................................45
4.3
Checking the power supply.................................................................................................................. 46
4.4
Energizing the IED..................................................................................................................................46
4.4.1
Checking the IED operation............................................................................................................. 46
4.4.2
IED start-up sequence.......................................................................................................................46
4.5
4.6
4.7
Checking CT circuits...............................................................................................................................52
4.8
Checking VT circuits...............................................................................................................................53
4.9
Using the RTXP test switch.................................................................................................................. 53
4.10
4.10.1
Binary input circuits...........................................................................................................................54
Line distance protection REL670
Commissioning manual
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Table of contents
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