Saturday, October 15, 2016

IEEE PES published Report on "Centralized Substation Protection and Control"

The IEEE Power System Relaying Committee has published a very comprehensive report worth to be read by power system engineers dealing with substation protection and automation (partlywith focus on the  North American market):

Centralized Substation Protection and Control IEEE PES
Power System Relaying Committee Report of Working Group K15
of the Substation Protection Subcommittee

Excerpt of the Introduction:
"The power grid is now more dynamic than ever before and newer tools are increasingly developed to manage the grid better. Renewable energy sources are changing power system characteristics at a time when utilities are also focusing on improving customer service and resiliency of the grid, by using advanced monitoring and control technologies....
In addition, communication technologies are advancing and related international standards are maturing to be deployed in substation environment. ... the IEEE Power System Relaying Committee has formed a working group to prepare a report describing and analyzing the state-of-the-art technologies for centralized protection and control (CPC) within a substation...
This report starts by reviewing the advancements in substation protection and control technology. Next the report describes CPC and reviews its history. Then the report reviews some of the existing
technologies that can support CPC.
Finally the report concludes that CPC technology, when appropriately applied, significantly improves the reliability of protection and control systems and the power grid at an affordable cost - with enhanced applications capability and maintainability for both hardware replacement an software upgrade."

Click HERE for the full report [pdf, 80 pages, 4.4 MB]

The report gives inside views of the challenges in managing future power systems. Power systems are very complex - and will become more complex in the near future. In addition to the fact that "utilities are also focusing on improving customer service and resiliency of the grid" the utilities are quite often focusing on increasing their shareholder values ... and outsourcing many tasks. In the German "vdi nachrichten" (a very famous weekly German technical newspaper) I read yesterday an interesting statement of the new president of the BDEW (Bundesverbandes der Energie- und Wasserwirtschaft):

Translated: " ... Unfortunately the industry invests too little in view of the challenges in research and development. The German Pharmaceutical industry employs 40,000 humans in R&D laboratories.
In the energy industry there are not such research and development mechanisms. That is not because of the fact that our industry is come to a hold and does not see challenges. It is financially no more able to implement comparable research activities. We have no more enterprises, which can do that. Everyone knows nevertheless around the difficult situation of many large energy enterprises. Also normal public distribution utilities cannot advance innovative developments in the storage area."

Original: " ... Leider investiert die Branche angesichts der Herausforderungen zu wenig in Forschung und Entwicklung. Die deutsche Pharmaindustrie beschäftigt 40 000 Menschen in F- und E-Laboren.
In der Energiewirtschaft gibt es solche Forschungs- und Entwicklungseinrichtungen nicht. Das liegt nicht daran, dass unsere Branche verstockt ist und Herausforderungen nicht sieht. Sie ist finanziell nicht mehr zu vergleichbaren Forschungsleistungen in der Lage. Wir haben keine Unternehmen mehr, die das können. Jeder weiß doch um die schwierige Lage vieler großer Energieunternehmen. Auch normale Stadtwerke können bahnbrechende Entwicklungen im Speicherbereich nicht voranzutreiben."

Vendors, too, are struggling with similar challenges. We need more universities to compensate these situations. When it comes to the definition and application of information exchange systems in power or energy systems, we could be quite happy that we have the well accepted standards IEC 61968/70 (CIM), IEC 60870-5-104, DNP3, IEC 61850, IEC 61400-25, ICCP/TASE.2 (IEC 60870-6), ...

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