IEC/TR 61850-1-2013 pdf free Communication networks and systems for power utility automation – Part 1: Introduction and overview

08-12-2021 comment

IEC/TR 61850-1-2013 pdf free.Communication networks and systems for power utility automation – Part 1: Introduction and overview.
The possibility to build Power Utility Automation Systems (PUAS) rests on the strong technological development of large-scale integrated circuits, leading to the present availability of advanced, fast, and powerful microprocessors. The result was an evolution of substation secondary equipment, from electro-mechanical devices to digital devices. This in turn provided the possibility of implementing Power Utility Automation System using several intelligent electronic devices (IEDs) to perform the required functions (protection, local and remote monitoring and control, etc.). As a consequence, the need arose for efficient communication among the IEDs, especially for a standard protocol. Initially specific proprietary communication protocols developed by each manufacturer where used, requiring complicated and costly protocol converters when using IEDs from different vendors.
The industry’s experiences have demonstrated the need and the opportunity for developing standard semantics, abstract communication services that can be mapped to different protocols, configuration descriptions and engineering processes, which would support interoperability of IEDs from different manufacturers. Interoperability in this case is the ability to operate on the same network or communication path sharing information and commands. There is also a desire to have lED interchangeability. i.e. the ability to replace a device supplied by one manufacturer with a device supplied by another manufacturer, without making changes to the other elements in the system. Interchangeability would also require standardisation of functions which is beyond this communication standard. Interoperability is a common goal for electric utilities, equipment vendors and standardisation bodies.
The objective of PUAS standardisation is to develop a communication standard that will meet functional and performance requirements, while supporting future technological developments. To be truly beneficial, a consensus must be found between lED manufacturers and users on the way such devices can freely exchange information.
The communication standard must support the operation functions within the substation and distributed throughout the power grid. Therefore, the standard has to consider the operational requirements, but the purpose of the standard is neither to standardise (nor limit in any way) the functions involved in substation operation nor their allocation within the Power Utility Automation System. The application functions will be identified and described in order to define their interface and then their communication requirements (for example, amount of data to be exchanged. exchange time constraints. etc.). The communication standard, to the maximum possible extent, should make use of existing standards and commonly accepted communication and engineering principles.
This standard aims to ensure, among others, the following features:
— That the complete communication profile is based on existing IEC!IEEEIISOIOSI communication standards, if available.
— That the protocols used will be open and will support self-descriptive devices. It should be possible to add new functionality.
— That the standard is based on data objects related to the needs of the electric power industry.
— That the communication syntax and semantics are based on the use of common data objects related to the power system.
— That the communication services can be mapped to different state-of-the art protocols.
— That the communication standard considers the implications of the substation being one node in the power grid, i.e. of the Power Utility Automation System being one element in the overall power control system.
— That the complete topology of an electrical system (single line diagram), the generated and consumed information, and the information flow between all IEDs is specified, using a machine readable language.IEC/TR 61850-1 pdf download.

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