Table of contents
Section 1 Introduction..........................................................................19
This manual............................................................................................ 19
Intended audience.................................................................................. 19
Product documentation...........................................................................20
Product documentation set................................................................20
Document revision history................................................................. 21
Related documents............................................................................21
Symbols and conventions.......................................................................22
Symbols.............................................................................................22
Document conventions...................................................................... 23
Section 2 Application...........................................................................25
REL650 application.................................................................................25
Available functions..................................................................................30
Main protection functions...................................................................30
Back-up protection functions............................................................. 30
Control and monitoring functions.......................................................32
Station communication...................................................................... 36
Basic IED functions........................................................................... 37
REL650 application examples................................................................ 38
Adaptation to different applications................................................... 38
Functionality table..............................................................................38
Section 3 REL650 setting examples................................................... 41
Setting example for a two-ended overhead transmission line in a
solidly grounded network........................................................................ 41
Calculating general settings for analogue TRM inputs 4I 1I 5U........ 42
Calculating settings for Global base values for setting function
GBASVAL..........................................................................................43
Calculating settings for five zone distance protection,
quadrilateral and mho characteristic ZQMPDIS (21).........................44
Calculating general settings......................................................... 46
Calculating settings for zone 1..................................................... 47
Calculating settings for zone 2..................................................... 51
Calculating settings for zone 3..................................................... 53
Calculating settings for zone 4..................................................... 54
Table of contents
1
Application manual