Protection Scheme Design for Meshed VSC-HVDC Transmission Systems of Large-scale Wind Farms
- Yang, J.
- Fletcher, J.E.
- O'Reilly, J.
- Adam, G.P.
- Fan, S.
Publication date
January 2011
DOI Publisher
Institution of Engineering and Technology (IET)Abstract
This paper analyses protection issues of meshed voltage source converter (VSC) based high voltage direct current (HVDC) transmission systems for large-scale offshore wind farms. The multi-terminal DC network topology and protection device configuration are discussed for appropriate protection scheme design. DC circuit breaker configuration is studied for different fault conditions. Detailed protection scheme is designed with a solution without distant relay communication requirements. Designing the protection system in advance is necessary to realise a reliable Supergrid and reach future European renewable energy development goals
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