1. Description
REB611 is a dedicated busbar protection IED
(intelligent electronic device) designed for phase-
segregated short-circuit protection, control, and
supervision of single busbars. REB611 is intended
for use in high-impedance-based applications
within utility substations and industrial power
systems. In addition, the IED can be utilized in
restricted earth-fault and residual earth-fault
applications for the protection of generators,
motors, transformers and reactors.
REB611 is a member of ABB’s Relion
®
product
family and part of the 611 protection and control
product series. The 611 series IEDs are
characterized by their compactness and
withdrawable-unit design.
The 611 series is designed to offer simplified but
powerful functionality intended for most
applications. Once the application-specific
parameters have been entered, the installed IED
is ready to be put into service. The further
addition of communication functionality and
interoperability between substation automation
devices offered by the IEC 61850 standard adds
flexibility and value to end users as well as
electrical system manufacturers.
2. Standard configuration
REB611 is available in one standard configuration.
To increase the user-friendliness of the IED’s
standard configuration and to emphasize the
IED's simplicity of usage, only the application-
specific parameters need setting within the IED's
intended area of application.
The standard signal configuration can be altered
by LHMI (human-machine interface), WHMI (Web
browser-based user interface) or the optional
application functionality of the Protection and
Control IED Manager PCM600.
Table 1. Standard configuration
Description
Std. conf.
High-impedance differential
A
Busbar and Multipurpose Differential Protection and Control
1MRS757467 B
REB611
Product version: 1.0
Issued: 2012-05-04
Revision: B
ABB
3
Summary of Contents for Relion 611 series REB611
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