Iec 61850 Principles And Applications To Electric Power Systems

[Nhyiraba Valentin]

Thisbook offers a compact guide to IEC61850 systems, including wide-area implementation, as it has been applied to real substations worldwide. It utilises technical brochures and papers based on existing practice of IEC61850 systems that give stakeholders from different disciplines an understanding of systems in use, their features, how they are applied and approach for implementation.

The book offers a holistic practical view considering all relevant interfaces and possibilities. It includes the different applications, practical implementation considerations and choices made for IEC61850 PACS (Protection Automation & Control System) designs. Power system engineers, planners, technicians and researchers will find the book useful for exploring, developing and delivering these systems.

IEC 61850, Communication, Architecture, Maintenance, Design and Planning, Process Bus, Interoperability, Substation Systems, Substation Solutions, Electric Power Systems, System Maintenance, System Design and Planning

Nirmal-Kumar C. Nair received his Ph.D. in Electrical Engineering from Texas A&M University, College Station, USA. He has held several professional and research positions in India, USA and New Zealand (NZ). Currently, he is an Associate Professor at the Department of Electrical, Computer Engineering and Software Engineering at University of Auckland, New Zealand. His research interest includes voltage collapse, resilience, cyber-physical security and special protection schemes. He has contributed to over 270 conference and journal papers, two books and several book chapters. He has been serving as an Executive of CIGRE New Zealand National Committee since 2008, and is also the Technical Chair and Event Manager currently. For CIGRE B5, Nirmal-Kumar is a technical advisor for New Network Requirements, and has been involved in 4 working groups and 2 task forces, along with several papers. He was recognized in 2018 as a CIGRE Distinguished Member.

IEC 61850 is an international standard for communication systems in substations and other power system facilities. CIGRE Study Committee B5- Protection and Automation has worked with the IEC 61850 Standard for more than 20 years.

This CIGRE Green Book aims to provide a compact overview on IEC 61850 principle and application to electric power systems. It is compiled using technical brochures and technical paper material that is based on existing practice of IEC 61850 systems that gives stakeholders from different disciplines an understanding of system in use, their features, how they applied and approach for implementation.

The third chapter introduces the IEC 61850 User specifications. It also covers specification process, system configuration language (SCL) and introduces different user groups that are providing feedback or helping with the maintenance of the IEC 61850 standard.

The next chapter discuss communication architecture on station bus and process bus like HRS and PRP, as well as services related to GOOSE, MMS and SV. Chapter 5 introduces time synchronization requirements for IEC 61850 systems. It includes accuracy requirements, precision time protocol (PRP), redundancy and some practical implementations.

In the next chapter a mythology to integrate cyber-physical security systems with IEC 61850 protection, automation and control system is described. It concludes with the top six cyber-physical response action to protect IEC 61850 systems.

Planning and design for IEC 61850 implementation is discussed in chapter 7. The various steps of planning and design, the requirements to be defined, the impact caused by the change and the strategies to be followed is presented.

The next chapter describes the recommendations and best practices of implementing IEC 61850 protection, automation and control functions and schemes. It covers architecture, general principle, and some actual cases. Chapter 9 introduces testing-related features of the IEC 61850 standard. It also includes requirements for testing tools and the different methods that can be used for different types of tests. The next chapter address interoperability aspects from utility perspective in IEC 61850 multi-vendor substations, including challenges, recommendations, suggestions to improve the specification, engineering, implementation, and testing of multi-vendor IEC 61850 systems.

Chapter 11 discuss how reliable and accurate operation of the complete digital acquisition chain improves the performance of PAC devices within modern power systems. It includes quality of Sampled Values and requirements in IEC 61869-9 standard.

Chapter 15 Maintenance and Asset Management for IEC 61850 Systems presents aspects related to useful life, performance management, risk management, maintenance processes and asset information collection. The next chapter gives examples of IEC 61850 Applications Beyond Substations. It includes applications in electric traction systems, HVDC systems, storage and renewable energy generation, to demonstrate how these new ideas and concepts are emerging.

Chapter 17 concludes the Green book on IEC 61850, and identifies the future challenges and opportunities for enabling widespread adoption of IEC 61850 based systems and technologies globally. The book is a valuable resource and is recommended to anyone who wants to learn more about IEC 61850.

Nirmal-Kumar C. Nair has B.E. in electrical engineering from Maharaja Sayajirao University, Vadodara, India, M.E. (Gold Medal) in high voltage engineering from Indian Institute of Science, Bengaluru, India, and Ph.D. in electrical engineering from Texas A&M University, College Station, USA. He has held several positions in India, USA and New Zealand (NZ). Currently, he is a tenured faculty at the Department of Electrical, Computer Engineering and Software Engineering at University of Auckland, New Zealand.

In this case, the use of IEC 61400-25 [mapping according to IEC 61400-25-4 IEC 61850-8-1, MMS] enables all wind turbines from different manufacturers in a wind farm to communicate with a central station.

Standardization avoids the use of vendor-specific protocols, which would lead to increased application expenditure. BECKHOFF supports this method with the implementation of IEC 61850 or IEC 61400-25 respectively in the TwinCAT Automation suite."

You wrote: "Then, I give my sincere appreciation to Karlheinz Schwarz for answering my questions regarding modeling, and maintaining an open blog with comments and thoughts regarding power system automation."

"This thesis project, carried out at Northvolt Systems, aims to analyze the existing and readily used communication interfaces for a specific set of mobileBESS applications. The analysis is performed by a literature review of typical mobile BESS applications with the identified corresponding communication interfaces. Among the identified interfaces is the IEC 61850 standard, which shows suitability in smart grid applications, enabling interoperability,vendor-independence, and standardization. To provide a real-life analysis of the IEC 61850 benefits and applicability to mobile BESS, an integration of the standard to a Northvolt mobile BESS was performed."

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