ABB UniGear Digital - Table of Contents

TABLE O F CONTENTS
I
Table of Contents
1 Introduction ................................................................................................................. 1
1.1 This manual ............................................................................................................................................1
1.2 Intended users.......................................................................................................................................1
2 UniGear Digital ............................................................................................................. 2
2.1 Sensors ................................................................................................................................................... 3
2.1.1 Current sensors ................................................................................................................. 4
2.1.2 Voltage sensors ................................................................................................................. 7
2.2 Protection relays.................................................................................................................................11
2.3 IEC 61850.............................................................................................................................................. 21
2.4 Switchgear type overview ............................................................................................................. 23
3 Engineering ................................................................................................................ 26
3.1 Sensors ................................................................................................................................................ 26
3.1.1 Current sensors .............................................................................................................. 26
3.1.2 Voltage sensors ............................................................................................................... 31
3.2 Documentation ................................................................................................................................. 33
3.3 Station bus (GOOSE)....................................................................................................................... 35
3.4 Process bus (SMV)............................................................................................................................ 42
3.5 Ethernet ............................................................................................................................................... 52
3.5.1 Requirements .................................................................................................................. 52
3.5.2 Technology ....................................................................................................................... 53
3.5.3 Topologies........................................................................................................................ 60
3.5.4 Ethernet traffic estimation ........................................................................................ 66
3.5.5 Naming convention to identify protection relays............................................... 67
3.5.6 IP address allocation..................................................................................................... 67
3.5.7 Time synchronization ................................................................................................... 68
3.5.8 Traffic segregation ........................................................................................................ 71
3.5.9 Protection relays ............................................................................................................ 73
3.5.10 Managed Ethernet switches ...................................................................................... 76
3.5.11 Satellite controlled clock ............................................................................................. 89