North Sea offshore modelling schemes with VSC-HVDC technology : control and dynamic performance assessment

Nieradzinska, K. and Nambo Martinez, J. C. and Ased, Grain Philip and Kalcon, G. and Peña-Gallardo, R. and Anaya-Lara, O. and Leithead, W. (2013) North Sea offshore modelling schemes with VSC-HVDC technology : control and dynamic performance assessment. Energy Procedia, 35. pp. 91-101. ISSN 1876-6102

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Abstract

The present thinking and trend for connection of large offshore wind farms, dispersed over wide areas, is to use multi-terminal HVDC networks rather than point-to-point DC transmission systems. The aim behind this approach is to improve the security of supply and minimise the loss of generation during scheduled maintenance or unexpected disturbances in any part of the power network. This paper describes various models of multi-terminal HVDC networks connecting offshore wind farms to a number of mainland AC grids which have been developed in MATLAB-Simulink with the main objective of facilitating numerous studies such as steady-state power flow, optimal power dispatch analysis, transient stability, and provision of ancillaries.