IEC 61850 Digital Substation Automation Engineering

Technical background

Substation automation represents one of the fundamental application domains of the IEC 61850 standard. This standard defines a comprehensive information model and a set of communication services enabling interoperability between devices deployed in digital substations.

These infrastructures typically integrate Intelligent Electronic Devices (IEDs), protection relays, automation controllers, measurement units, communication gateways and SCADA supervision systems.

Engineering of substation control systems

Engineering a modern digital substation requires the precise specification of numerous operational functions and system interactions.

The IEC 61850 information model introduces standardized objects such as Logical Nodes, Data Objects and Data Attributes to represent protection and control functions in a vendor-independent manner.

Contribution of MODSARUS and MODSARUS-BAP

MODSARUS provides a structured UML modelling framework enabling engineers to describe operational functions and system interactions within substation automation architectures.

MODSARUS-BAP supports the detailed specification of digital control applications in accordance with the recommendations of IEC TR 61850-7-6.

Generation of application specifications

MODSARUS-BAP enables the generation of application specification documents describing the behaviour and communication patterns of IEC 61850-based control systems.

These documents follow the structures defined in IEC TR 61850-7-6 and IEC TR 61850-90-30, which describe application functions and information exchanges within digital substation architectures.

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