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11.06.2018 10:25

Checking power plant components in a more targeted manner

Rüdiger Mack Marketingkommunikation
FIZ Karlsruhe – Leibniz-Institut für Informationsinfrastruktur GmbH

    In future, conventional power plants based on coal and natural gas will have to work much more flexibly than was previously the case. One reason is that they work in close conjunction with power fed into the electricity grid from renewable energies, which means that the power plants run more often under partial load. This imposes greater stresses on the components and in a different manner than they were originally designed for. The new BINE-Projektinfo brochure entitled "Material loading in flexible power plants" presents a new concept for investigating and evaluating power plants with varying loads.

    This enables operators and monitoring institutions to calculate the stability of components in terms of their damage more accurately and without compromising on safety.

    Adjusting inspections to the actual load

    Until now, conventional power plants were designed for full-load operation with constant pressure and temperature conditions. However, if in future it is intended that they should only produce the electricity requirement not covered by renewables, this will require a new, flexible mode of operation. For all components, this means more part loads, more start-up and shut-down cycles, and more extreme and rapid temperature changes. Scientists have therefore studied the loads on thick-walled power plant components under cyclic temperature changes. They have developed and tested a new method for conducting fracture mechanics-based analyses of the damage tolerance. The findings were also incorporated into a draft guideline for the fracture mechanics-based concept, which is currently in the validation phase.

    The results are important for the business calculations made by power plant operators because the more frequent partial load operation causes not only higher maintenance costs but also reduced revenue from electricity sales than under full-load operation. TÜV Nord carried out the research project together with the University of Rostock and Research Centre Jülich.

    You found all informations about the BINE Projectinfo brochure entitled "Material loading in flexible power plants" here:

    http://www.bine.info/en/press/press-releases/press/pressemitteilung/kraftwerksko...

    Uwe Milles/Birgit Schneider
    presse(at)bine.info

    About BINE Information Service

    Energy research for practical applications

    The BINE Information Service reports on energy research topics, such as new materials, systems and components, as well as innovative concepts and methods. The knowledge gained is incorporated into the implementation of new technologies in practice, because first-rate information provides a basis for pioneering decisions, whether in the planning of energy-optimised buildings, increasing the efficiency of industrial processes, or integrating renewable energy sources into existing systems.

    About FIZ Karlsruhe

    FIZ Karlsruhe – Leibniz Institute for Information Infrastructure is a not-for-profit organization with the public mission to make sci-tech information from all over the world publicly available and to provide related services in order to support the national and international transfer of knowledge and the promotion of innovation.
    Our business areas:
    • STN International – the world’s leading online service for research and patent information in science and technology
    • KnowEsis – innovative eScience solutions to support the process of research in all its stages, and throughout all scientific disciplines
    • Databases and Information Services – Databases and science portals in mathematics, computer science, crystallography, chemistry, and energy technology
    FIZ Karlsruhe is a member of the Leibniz Association (WGL) which consists of 87 German research and infrastructure institutions.


    Weitere Informationen:

    http://www.bine.info/en - BINE Informationsdienst


    Merkmale dieser Pressemitteilung:
    Journalisten, Lehrer/Schüler, Studierende, Wirtschaftsvertreter, Wissenschaftler
    Elektrotechnik, Energie, Maschinenbau, Umwelt / Ökologie
    überregional
    Forschungs- / Wissenstransfer, Forschungsergebnisse
    Englisch


    The BINE-Projektinfo brochure entitled "Material loading in flexible power plants"


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