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Toward the Universal DC Distribution System

Journal Article (2017)
Author(s)

Laurens Mackay (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Nils H. van der Blij (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Laura Ramirez-Elizondo (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Pavol Bauer (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Research Group
DC systems, Energy conversion & Storage
DOI related publication
https://doi.org/10.1080/15325008.2017.1318977 Final published version
More Info
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Publication Year
2017
Language
English
Research Group
DC systems, Energy conversion & Storage
Issue number
10
Volume number
45
Pages (from-to)
1032-1042
Page Views
420
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Institutional Repository
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Abstract

AbstractDue to an increasing number of power generation units and load devices operating with direct current (DC) at distribution level, there is a potential benefit of leading efforts toward building a DC distribution system. However, the implementation of DC distribution systems faces important challenges, including the market inertia of AC systems and standardization. Many of the benefits that are attributed to DC can only be realized if a complete DC system is developed, and not if only a few components are replaced. This paper presents the concept of a universal DC distribution system, as envisioned by the authors. The universal DC distribution system could be implemented in various use cases, but could also completely replace AC distribution grids. The paper covers the possibilities of having DC nanogrids inside buildings, DC microgrids in neighborhoods, and the connection to AC and DC medium voltage grids. Furthermore, considerations regarding flexibility, electricity market design, control, and protection are presented.