What is IEC 61850-93 Ed. 2 - 2018?

The IEC 61850-9-3 Ed. 2 - 2018 is a technical standard that defines communication services and protocols for the integration of intelligent electronic devices (IEDs) in the electrical power utility automation systems. It specifically focuses on the communication requirements for sampled values, such as control and measurement data, between different devices within a substation.

of IEC 61850-9-3 Ed. 2 - 2018

This standard provides a comprehensive framework for real-time communication among IEDs, enabling seamless exchange of information essential for efficient power system operation. It uses Ethernet-based communication networks, which offer high data transfer rates and improved interoperability compared to traditional serial communication methods.

IEC 61850-9-3 Ed. 2 - 2018 highlights several key aspects:

Sampling rates: It specifies different sampling rates for analog and digital signals, ensuring accurate representation of measured values during transmission.

Time synchronization: The standard incorporates precise time synchronization techniques, facilitating synchronized sampling and time-stamped data transmission. This enables accurate event analysis and fault detection within the power system.

Data encapsulation: It defines the structure and format of data frames carrying sampled values, facilitating efficient data retrieval and interpretation by receiving devices.

Benefits and Applications

The adoption of IEC 61850-9-3 Ed. 2 - 2018 brings several benefits to the power utility sector:

Improved efficiency: The standardized communication protocols enable faster and more reliable data exchange, enhancing the overall efficiency of power system operations.

Enhanced interoperability: By defining a common framework, the standard promotes interoperability among devices from different manufacturers, simplifying system integration and reducing compatibility issues.

Cost savings: The use of Ethernet-based communication networks eliminates the need for expensive custom cabling, leading to significant cost savings during installation and maintenance.

This standard finds applications in various areas within the power utility automation systems, including:

Substation automation

Protection and control systems

Metering and monitoring

Wide-area monitoring and control

Conclusion

IEC 61850-9-3 Ed. 2 - 2018 plays a crucial role in enabling effective communication and data exchange among intelligent electronic devices within the power utility automation systems. Its adoption brings numerous benefits, such as improved efficiency, enhanced interoperability, and cost savings. With its wide range of applications, this standard is paving the way for advanced automation and optimization of power systems worldwide.