Table of contents
Section 1 Introduction.......................................................................................................17
1.1 This manual........................................................................................................................................17
1.2 Intended audience............................................................................................................................17
1.3 Product documentation..................................................................................................................18
1.3.1 Product documentation set...................................................................................................... 18
1.3.2 Document revision history.........................................................................................................19
1.3.3 Related documents..................................................................................................................... 19
1.4 Document symbols and conventions.......................................................................................... 20
1.4.1 Symbols......................................................................................................................................... 20
1.4.2 Document conventions...............................................................................................................21
1.5 IEC61850 edition 1 / edition 2 mapping...................................................................................... 21
Section 2 Application........................................................................................................ 29
2.1 General IED application.................................................................................................................. 29
2.2 Main protection functions............................................................................................................. 30
2.3 Back-up protection functions....................................................................................................... 30
2.4 Control and monitoring functions................................................................................................32
2.5 Communication................................................................................................................................ 37
2.6 Basic IED functions......................................................................................................................... 40
Section 3 Configuration....................................................................................................43
3.1 Introduction...................................................................................................................................... 43
3.2 Description of configuration REC670..........................................................................................44
3.2.1 Introduction................................................................................................................................. 44
3.2.1.1 Description of configuration A30.........................................................................................44
3.2.1.2 Description of configuration A31..........................................................................................45
3.2.1.3 Description of configuration B30.........................................................................................46
3.2.1.4 Description of configuration C30......................................................................................... 47
Section 4 Analog inputs.................................................................................................... 51
4.1 Introduction.......................................................................................................................................51
4.2 Setting guidelines............................................................................................................................ 51
4.2.1 Setting of the phase reference channel.................................................................................. 51
4.2.1.1 Example......................................................................................................................................52
4.2.2 Setting of current channels....................................................................................................... 52
4.2.2.1 Example 1................................................................................................................................... 52
4.2.2.2 Example 2...................................................................................................................................53
4.2.2.3 Example 3...................................................................................................................................54
4.2.2.4 Examples on how to connect, configure and set CT inputs for most commonly
used CT connections............................................................................................................... 58
4.2.2.5 Example on how to connect a star connected three-phase CT set to the IED............ 59
4.2.2.6 Example how to connect delta connected three-phase CT set to the IED................... 62
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