Benefits of New Voltage Source Converter HVDC Configurations for City Feed

P. Fischer de Toledo, Å. Ekström, and L. Söder (Sweden)


City Infeed, HVDC Transmission Systems, and Voltage Source Converters


Today most of the city centers infeed use HVAC transmission systems bringing large quantities of power to load centers. Many of theses systems are operating close to the designed short circuit capacity and have low network stability. In addition, there is an increase in environmental concern when overhead lines are used. The VSC (Voltage Source Converters) HVDC Cable Transmission system may become an interesting option for these cases. The aim of the paper is to describe possible VSC HVDC configurations that can be used for city center infeed. In the paper some of these are applied to real cases in Stockholm, Göteborg and São Paulo.

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