1MRK 505 378-UEN Rev. K
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
1.3.2
Document revision history................................................................................................. 15
1.3.3
Related documents........................................................................................................... 16
1.4
1.4.1
Symbols.............................................................................................................................16
1.4.2
Document conventions......................................................................................................17
1.5
Section 2
Safety information....................................................................................... 23
2.1
Symbols on the product.......................................................................................................23
2.2
Warnings............................................................................................................................. 23
2.3
Caution signs.......................................................................................................................24
2.4
Note signs........................................................................................................................... 25
Section 3
Available functions...................................................................................... 27
3.1
Main protection functions.................................................................................................... 27
3.2
3.3
3.4
Communication................................................................................................................... 37
3.5
Basic IED functions............................................................................................................. 41
Section 4
Starting up....................................................................................................45
4.1
4.2
Commissioning checklist..................................................................................................... 45
4.3
Checking the power supply................................................................................................. 45
4.4
Energizing the IED.............................................................................................................. 46
4.4.1
4.4.2
IED start-up sequence ......................................................................................................46
4.5
4.5.1
4.5.2
4.6
4.7
Checking CT circuits........................................................................................................... 51
4.8
Checking VT circuits............................................................................................................52
4.9
4.10
4.10.1
Binary input circuits........................................................................................................... 53
4.10.2
Binary output circuits......................................................................................................... 53
4.11
Line differential protection RED670
Commissioning manual
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Table of contents
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