1MRK 505 378-UUS Rev. J
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................................................................................................................. 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......................................................................................................................... 36
3.5
Basic IED functions................................................................................................................... 40
Section 4
Starting up.........................................................................................................43
4.1
4.2
Commissioning checklist........................................................................................................... 43
4.3
Checking the power supply....................................................................................................... 44
4.4
Energizing the IED.................................................................................................................... 44
4.4.1
4.4.2
IED start-up sequence ............................................................................................................44
4.5
4.6
4.7
Checking CT circuits................................................................................................................. 50
4.8
Checking VT circuits..................................................................................................................51
4.9
Using the RTXP test switch ...................................................................................................... 51
4.10
4.10.1
Binary input circuits................................................................................................................. 52
Line differential protection RED670
Commissioning manual
© 2017 - 2021 Hitachi Power Grids. All rights reserved
Table of contents
1