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IEC 61850-7-4

Communication networks and systems in substations Part 7-4: Basic communication structure for substation and feeder equipment Compatible logical node classes and data classes

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Organization: IEC
Publication Date: 1 May 2003
Status: inactive
Page Count: 110
ICS Code (Telecontrol. Telemetering): 33.200
scope:

This part of IEC 61850 specifies the information model of devices and functions related to substation applications. In particular, it specifies the compatible logical node names and data names for communication between Intelligent Electronic Devices (IED). This includes the relationship between Logical Nodes and Data.

The Logical Node Names and Data Names defined in this document are part of the class model introduced in IEC 61850-7-1 and defined in IEC 61850-7-2. The names defined in this document are used to build the hierarchical object references applied for communicating with IEDs in substations and on distribution feeders. The naming conventions of IEC 61850-7-2 are applied in this part.

To avoid private, incompatible extension rules this part specifies normative naming rules for multiple instances and private extensions of Logical Node (LN) Classes and Data Names.

In Annex A, all rules are given (making use of examples) for:

• multiple instances of logical node classes by use of a LN instance identification (ID);

• multiple instances of data by use of a data instance ID;

• selecting data not included in LN out of the complete data name set;

• creating new logical node classes and data names.

In Annex B, examples are given for:

• the use of Logical Nodes in complex situations like line protection schemes;

• multiple instances of Logical Nodes with different levels of functionality.

This part does not provide tutorial material. It is recommended those parts IEC 61850-5 and IEC 61850-7-1 be read first, in conjunction with IEC 61850-7-3, and IEC 61850-7-2. This part does not discuss implementation issues. The relationship between this standard and IEC 61850-5 is outlined in Annex C.

This standard is applicable to describe device models and functions of substation and feeder equipment. The concepts defined in this standard may also be applied to describe device models and functions for:

• substation to substation information exchange,

• substation to control centre information exchange,

• power plant to control centre information exchange,

• information exchange for distributed generation,

• information exchange for distributed automation, or

• information exchange for metering.

 

Document History

February 1, 2020
Communication networks and systems for power utility automation - Part 7-4: Basic communication structure - Compatible logical node classes and data object classes
General This part of IEC 61850 specifies the information model of devices and functions generally related to common use regarding applications in systems for power utility automation. It also...
February 1, 2020
AMENDMENT 1 Communication networks and systems for power utility automation – Part 7-4: Basic communication structure – Compatible logical node classes and data object classes
A description is not available for this item.
March 1, 2010
Communication networks and systems for power utility automation – Part 7-4: Basic communication structure – Compatible logical node classes and data object classes
This part of IEC 61850 specifies the information model of devices and functions generally related to common use regarding applications in systems for power utility automation. It also contains the...
IEC 61850-7-4
May 1, 2003
Communication networks and systems in substations Part 7-4: Basic communication structure for substation and feeder equipment Compatible logical node classes and data classes
This part of IEC 61850 specifies the information model of devices and functions related to substation applications. In particular, it specifies the compatible logical node names and data names for...

References

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