ABB REB500 - Default Chapter; Table of Contents

Table of contents
Technical Manual 1
Distributed busbar protection REB500
Table of contents
Section 1 Introduction ................................................................. 3
1.1 This manual .................................................................................... 3
1.2 Intended audience .......................................................................... 3
1.3 Product documentation ................................................................... 3
1.4 Symbols and conventions ............................................................... 4
1.4.1 Symbols ..................................................................................... 4
1.4.2 Document conventions ............................................................... 4
Section 2 Signals ....................................................................... 6
2.1 Signal designations ......................................................................... 6
2.2 Binary inputs on bay units ............................................................... 8
2.3 Binary outputs on bay units ........................................................... 13
2.4 Binary inputs on central unit .......................................................... 15
2.5 Binary outputs on central unit ........................................................ 17
2.6 System blocking design ................................................................ 19
Section 3 System Settings ........................................................ 23
3.1 Circuit breakers ............................................................................. 23
3.2 Isolators ........................................................................................ 25
3.3 Current transformers ..................................................................... 25
3.4 Voltage transformers ..................................................................... 27
3.5 System response .......................................................................... 28
3.5.1 System response to a differential current alarm ........................ 28
3.5.2 System response to an isolator alarm ....................................... 28
3.5.3 Isolator alarm delay .................................................................. 29
3.5.4 Remote trip impulse width ........................................................ 29
3.6 Event memory............................................................................... 29
3.7 Time synchronization .................................................................... 30
3.7.1 Synchronizing using IRIG-B ..................................................... 30
3.7.2 Synchronizing using PPS ......................................................... 30
3.7.3 Synchronization by SNTP ........................................................ 31
3.7.4 Additional settings .................................................................... 31
Section 4 Busbar protection ...................................................... 33