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Ahead of Print article ยท Journal article

Dynamic Tariff-Subsidy Method for PV and V2G Congestion Management in Distribution Networks

From

University of Southern Denmark1

Department of Electrical Engineering, Technical University of Denmark2

Center for Electric Power and Energy, Centers, Technical University of Denmark3

Electric Power Systems, Center for Electric Power and Energy, Centers, Technical University of Denmark4

This paper proposes a dynamic tariff-subsidy (DTS) method for congestion management in distribution networks with high penetration of photovoltaics (PV), heat pumps (HPs) and electric vehicles (EVs) with vehicle-to-grid (V2G) function. The DTS method is an extension of the dynamic tariff method proposed in the previous study.

With the DTS, the regulation prices can be positive (tariff) or negative (subsidy). The study shows that the negative regulation price is necessary and very effective to solve congestion due to feed-in power flows, such as PVs and EVs in the V2G mode. In the study, dual decomposition of a convex quadratic model is proposed in addition to a conventional method for the DTS calculation.

The case studies on the Roy Billinton Test System (RBTS) demonstrate the efficacy of the DTS method for congestion management in distribution networks.

Language: English
Publisher: IEEE
Year: 2019
Pages: 5851-5860
ISSN: 19493061 and 19493053
Types: Ahead of Print article and Journal article
DOI: 10.1109/TSG.2019.2892302
ORCIDs: Wu, Qiuwei

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