Fault Discrimination in Bipolar HVDC MTS Equipped with Bus Bar Breakers

Konferenz: PCIM Europe 2018 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management
05.06.2018 - 07.06.2018 in Nürnberg, Deutschland

Tagungsband: PCIM Europe 2018

Seiten: 8Sprache: EnglischTyp: PDF

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Sander, Rene; Wenig, Simon; Goertz, Max; Schulze, Wolf; Suriyah, Michael; Leibfried, Thomas (Karlsruhe Institute of Technology (KIT), Germany)

Concerning an applicable fault handling strategy in HVDC Multi-Terminal-Systems (MTS), robust, communication avoiding fault detection, clearance within permissible voltage and current limits as well as situational converter control behavior have to go hand in hand. A system-wide valid protection scheme has been developed for converter and dc-side Circuit Breaker (CB) action control. Furthermore, a beneficial earthing scheme for bipolar MTS is presented. Investigations are verified using PSCAD/EMTDC software.