ABB REL 356

ABB REL 356 Current Differential Protection
Page ii
Table of Contents
Table of Contents ..................................................................................................................... ii
Guide to Figures ......................................................................................................................ix
Guide to Tables.........................................................................................................................x
Introduction .............................................................................................................................xi
REL 356 Revision History.......................................................................................................xi
Section 1 Product Overview and Specifications
Application...................................................................................................................................................... 1-1
REL 356 System Operation ............................................................................................................................ 1-1
Standard Features .......................................................................................................................................... 1-2
Communication Channel Options .................................................................................................................... 1-2
Optional Features ........................................................................................................................................... 1-3
Platform Overview .......................................................................................................................................... 1-3
REL 356 Modules ........................................................................................................................................... 1-4
Hardware Structure ......................................................................................................................................... 1-4
Specifications ................................................................................................................................................. 1-5
Ratings .................................................................................................................................................... 1-5
External Connections ............................................................................................................................... 1-5
Contact Data ............................................................................................................................................ 1-5
Binary (Voltage) Input Circuits .................................................................................................................. 1-6
9600 bps Audio Tone Communication Interface ....................................................................................... 1-6
56/64 kbps Digital Communication ........................................................................................................... 1-6
Optional Computer/Network Interface ....................................................................................................... 1-7
Chassis Dimensions and Weight .............................................................................................................. 1-7
Environmental Data .................................................................................................................................. 1-7
CT Requirements for REL 356 Current Differential Protection ......................................................................... 1-7
Catalog Information ........................................................................................................................................ 1-9
Section 2 Installation, Operation and Maintenance
Introduction .................................................................................................................................................... 2-1
REL 356 Construction ..................................................................................................................................... 2-1
REL 356 Modules ........................................................................................................................................... 2-1
Backplane Module .......................................................................................................................................... 2-2
Interconnect Module ....................................................................................................................................... 2-2
Relay Output Module ...................................................................................................................................... 2-3
Contact Input Module ..................................................................................................................................... 2-3
Microprocessor Module................................................................................................................................... 2-3
Display Module ............................................................................................................................................... 2-4
Power Supply Module ..................................................................................................................................... 2-4
Analog Input Module ....................................................................................................................................... 2-5
Modem Module (9600 bps Audio Tone Option) ............................................................................................... 2-5
CODEC (56/64 kbps Digital Communication Option) ....................................................................................... 2-5
Digital Communication Interface DCI (56/64 kbps Digital Communication Option) ........................................... 2-6
Self-Checking Software .................................................................................................................................. 2-6
Table of Contents