ABB Relion 650 series ANSI, Руководство пользователя

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Section 2 Introduction to IEC 61850
The general scope of the IEC 61850 protocol standard is designed to support the
communication of all functions being performed in the substation. Its’ main goal is
interoperability; this is the ability for IEDs from one or different manufacturers to
exchange information and use the information for their own functions. Moreover, the
standard allows a free allocation of these functions and accepts any system philosophy,
from a distributed architecture (for example, decentralised substation automation) to a
centralised configuration (for example, RTU based).
The standard separates the functionality represented by the data model and the related
communication services from the communication implementation (stack).
The data model of the standard is an object-oriented one, grouping the data into the
smallest possible sets referring to the smallest possible functions to be implemented
independently. These smallest possible data groups or functions are named logical nodes.
The logical nodes and all data and attributes contained are named according to a
standardised semantic, which is mandatory.
This manual describes how the IEC61850 standard is in the 650 series IEDs. References
and brief descriptions of the standard are also included. It is assumed that the reader has
basic knowledge of the IEC 61850 standard.
The following parts of the IEC61850 standard are of importance as they relate to this
manual:
• Station Configuration description Language (SCL) is described in IEC 61850-6. The
SCL is an XML based definition of how to describe the parts of a substation. This part
of the standard also includes the roles of different tools as well as the engineering
concepts.
• Communication profile (IEC 61850 stack) is described in IEC 61850-8-1. This part
of the standard includes a number of possible communication profiles, and how the
services defined in IEC 61850-7-2 are mapped to the communication profile.
• Communication services are described in IEC 61850-7-2. This part deals mainly with
the communication facilities from client and server point of view. It includes the
different possibilities of communication functionality.
• Logical node data model. This is described in IEC 61850-7-3 and IEC 61850-7-4.
• Conformance tests and the basis for conformance documents are handled in IEC
61850-10.
1MRK 511 281-UUS A
Section 2
Introduction to IEC 61850
650 series ANSI 21
Communication protocol manual