Selective operation of distributed current flow controller devices for meshed HVDC grids
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Tipus de documentArticle
Data publicació2018-06-18
EditorInstitute of Electrical and Electronics Engineers (IEEE)
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Abstract
In meshed High Voltage Direct Current (HVDC) grids, Current Flow Controllers (CFC) may be required to avoid bottlenecks or line overloads. The present paper proposes the concept of installing Distributed Current Flow Controllers (DCFCs) in different nodes of a meshed HVDC grid that are operated selectively. This concept allows to use simplified DCFC devices to prevent the overloads, with a reduction of the required CFC voltage compared with a single CFC in the grid. First, a methodology to investigate the effect of installing DCFCs in a generic meshed HVDC grid is presented. Several case studies with a 3-terminal and a 7-terminal meshed HVDC grids are conducted and the most suitable topology for the DCFCs is derived based on the previous analysis. Then, this work analyses the increase in the operational area brought by installing DCFCs in a 3-terminal HVDC grid and it is compared with the increase achieved by a Dual H-bridge CFC in one node. The CFC losses and voltage requirement depending on the location of the DCFCs are investigated. Finally, the operation and control of the DCFCs are designed and tested in a 3-terminal meshed HVDC grid using dynamic simulations.
CitacióSau, J., Eduardo Prieto-Araujo, Gomis-Bellmunt, O., Hassan, F. Selective operation of distributed current flow controller devices for meshed HVDC grids. "IEEE transactions on power delivery", 18 Juny 2018, vol. 31, n.1, p. 107-118.
ISSN0885-8977
Versió de l'editorhttps://ieeexplore.ieee.org/document/8387480/
Fitxers | Descripció | Mida | Format | Visualitza |
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FINAL VERSION.pdf | 1,911Mb | Accés restringit |