Section 2 IEC 61850 overview
The international IEC 61850 standard defines a framework for substation
communications networks and systems. The standard consists of several parts ranging
from the requirements on substation automation systems to the details of a
communication protocol. Its main goal is interoperability; the ability for IEDs from
one or different manufacturers to exchange information and use the information for
their own functions.
IEC 61850 standard for communication networks and systems in substations has been
out since 2005 and used successfully in ABB products. IEC 61850 standard is updated
with a new version, Edition 2. Edition 2 extends to new application areas in
transmission and distribution power systems and also defines a new functionality to
Edition 1 functionality. This product series supports both versions of IEC 61850,
Edition 1 and Edition 2.
Edition 2 is a new version of IEC 61850 standard and it adds new functionality which
is not supported by the Edition 1 devices. Therefore it is recommended to always use
the same standard version in all devices and not to mix different versions in the same
project.
A major difference between the other communication protocols applied in substation
automation and IEC 61850 is that the latter is not only a communication protocol, but
a whole framework for specifying, engineering and operating substation automation
systems. The communication part covers the connection between the IEDs and the
substation clients, for example, SCADA and gateways.
1MRS757809 C Section 2
IEC 61850 overview
REC615 and RER615 9
Engineering Guide
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