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Building a new overlay grid for Europe
Ergun, H.; Beerten, J.; Van Hertem, D. (2012). Building a new overlay grid for Europe, in: 2012 IEEE Power and Energy Society General Meeting. IEEE Power and Energy Society General Meeting PESGM, : pp. 8. https://hdl.handle.net/10.1109/PESGM.2012.6344805
In: (2012). 2012 IEEE Power and Energy Society General Meeting. IEEE Power and Energy Society General Meeting PESGM. IEEE: [s.l.]. ISBN 978-1-4673-2729-9. , more
In: IEEE Power and Energy Society General Meeting PESGM. IEEE: New York. ISSN 1944-9925, more
Peer reviewed article  

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Document type: Conference paper

Author keywords
    VSC HVDC; DC Grid; Integrated approach; Transmission system investments;supergrid

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Abstract
    The strong growth and the expected further increase in renewable energy generation in Europe requires a fundamental upgrade of the transmission system. A potential option is to realize these upgrades at a higher voltage by constructing a new overlay grid or supergrid. Such a supergrid is likely to be built using VSC HVDC technology, especially when considering that a significant part will be offshore. The paper will first discuss how such a grid should be conceived. Aspects that will be covered are the potential topology of such a grid and the balance between mesh size and the connection to the AC system. It will be discussed how such a new overlay grid with multiple controllers interacts with the existing system. The second aspect that will be covered is the stepwise development of such a system. A new overlay grid will not be conceived in a single phase, but link by link. The differences between "green field" and "brown field" approach are highlighted and shown using an example.

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