Electricity Market for Direct Current Distribution Systems
Exploring the Design Space
L. Piao (TU Delft - Energy and Industry, TU Delft - Algorithmics)
Laurens J. Vries (TU Delft - Energy and Industry)
Mathijs M. De Weerdt (TU Delft - Algorithmics)
N. Yorke-Smith (American University of Beirut, TU Delft - Algorithmics)
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Abstract
Direct current distribution systems (DCDS), which connect local prosumers directly to community grids without AC/DC conversions, are a promising alternative to AC systems. While regulations call for market-based operation, existing markets for AC systems do not meet DC requirements and cannot be applied to a DCDS. This paper develops a design framework for local electricity markets and with it explores possible DCDS market designs. We review the technical requirements and desired properties for DCDS operation, enumerate its market design goals, then identify the design variables influencing the short-term market efficiency. This paper is our first step towards a systematic DCDS market design, and it supports our future work on quantitative analysis of the design choices.