Process Bus - ABB RELION REC615 Technical Manual

Grid automation

Hide thumbs Also See for RELION REC615:

Table of Contents

1MRS758755 C

Figure 8: HSR solution

Process bus

Process bus IEC 61850-9-2 defines the transmission of Sampled Measured Values

within the substation automation system. International Users Group created a

guideline IEC 61850-9-2 LE that defines an application profile of IEC 61850-9-2

to facilitate implementation and enable interoperability. Process bus is used for

distributing process data from the primary circuit to all process bus compatible

devices in the local network in a real-time manner. The data can then be processed

by any protection relay to perform different protection, automation and control

UniGear Digital switchgear concept relies on the process bus together with current

and voltage sensors. The process bus enables several advantages for the UniGear

Digital like simplicity with reduced wiring, flexibility with data availability to all

devices, improved diagnostics and longer maintenance cycles.

With process bus the galvanic interpanel wiring for sharing busbar voltage value

can be replaced with Ethernet communication. Transmitting measurement samples

over process bus brings also higher error detection because the signal transmission

is automatically supervised. Additional contribution to the higher availability is the

possibility to use redundant Ethernet network for transmitting SMV signals.

REC615 & RER615

Technical Manual

REC615 and RER615 overview

Relion rer615