D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL iii
D90
Plus
Line Distance Protection System
Table of contents
1 INTRODUCTION Safety symbols and definitions....................................................................................1
For further assistance ...................................................................................................1
2PRODUCT
DESCRIPTION
Product description........................................................................................................3
Firmware architecture .................................................................................................................................4
Hardware architecture ................................................................................................................................5
Communications overview ........................................................................................................................8
Front panel interface ....................................................................................................................................8
Protection features.....................................................................................................................................10
Automation features..................................................................................................................................14
Equipment manager features ............................................................................................................... 15
Metering and monitoring features......................................................................................................15
Digital fault recorder features............................................................................................................... 16
Communications features.......................................................................................................................17
Order codes ...................................................................................................................18
Specifications................................................................................................................18
Protection specifications..........................................................................................................................18
Automation specifications ......................................................................................................................29
Equipment manager.................................................................................................................................. 30
Metering specifications ............................................................................................................................31
Digital fault recorder specifications....................................................................................................32
Front panel interface .................................................................................................................................33
Hardware specifications..........................................................................................................................34
Communications specifications ...........................................................................................................36
Inter-relay communications specifications ....................................................................................37
Test specifications.......................................................................................................................................37
Environmental specifications ................................................................................................................38
Approvals and certification.....................................................................................................................38
3 INSTALLATION Unpack and inspect .....................................................................................................39
Panel cutouts ................................................................................................................40
Dimensions.....................................................................................................................................................40
Rear terminal layout ..................................................................................................................................41
Wiring .............................................................................................................................42
Typical wiring.................................................................................................................................................42