Enhancing PV Hosting Capacity of Electricity Distribution Networks Using Deep Reinforcement Learning-Based Coordinated Voltage Control

Jude Suchithra, Amin Rajabi and Duane A. Robinson ()
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Jude Suchithra: Australian Power Quality Research Centre, University of Wollongong, Wollongong 2522, Australia
Amin Rajabi: Australian Power Quality Research Centre, University of Wollongong, Wollongong 2522, Australia
Duane A. Robinson: Australian Power Quality Research Centre, University of Wollongong, Wollongong 2522, Australia

Energies, 2024, vol. 17, issue 20, 1-27

Abstract: Coordinated voltage control enables the active management of voltage levels throughout electricity distribution networks by leveraging the voltage support capabilities of existing grid-connected PV inverters. The efficient management of power flows and precise voltage regulation through coordinated voltage control schemes facilitate the increased adoption of rooftop PV systems and enhance the hosting capacity of electricity distribution networks. The research work presented in this paper proposes a coordinated voltage control scheme and evaluates the enhanced hosting capacity utilizing a deep reinforcement learning-based approach. A comparative analysis of the proposed algorithm is presented, and the performance is benchmarked against existing local voltage control schemes. The proposed coordinated voltage control scheme in this paper is evaluated using simulations on a real-world low-voltage electricity distribution network. The evaluation involves quasi-static time series power flow simulations for assessing performance. Furthermore, a discussion is presented that reflects on the strengths and limitations of the proposed scheme based on the results observed from the case study.

Keywords: hosting capacity; deep reinforcement learning; quasi-static time series; coordinated voltage control; low-voltage networks (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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Citations: View citations in EconPapers (2)

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