Hierarchical control of a photovoltaic/battery based DC microgrid including electric vehicle wireless charging station

Zhao xia Xiao, Haodong Fan, Josep M. Guerrero, Hongwei Fang

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

4 Citations (Scopus)
620 Downloads (Pure)

Abstract

In this paper, the hierarchical control strategy of a photovoltaic/battery based dc microgrid is presented for electric vehicle (EV) wireless charging. Considering irradiance variations, battery charging/discharging requirements, wireless power transmission characteristics, and onboard battery charging power change and other factors, the possible operation states are obtained. A hierarchical control strategy is established, which includes central and local controllers. The central controller is responsible for the selection and transfer of operation states and the management of the local controllers. Local controllers implement these functions, which include PV maximum power point tracking (MPPT) algorithm, battery charging/discharging control, voltage control of DC bus for high-frequency inverter, and onboard battery charging control. By optimizing and matching parameters of transmitting coils, receiving coils and compensation capacitors, the wireless power transmission system is designed to be resonant when it is operating at the rated power, with the aim to achieve the optimum transmission system efficiency. Simulation and experimental results of the hierarchical control of the microgrid with electric vehicle wireless charging are established, showing the effectiveness of the proposed approach.
Original languageEnglish
Title of host publicationProceedings of 43rd Annual Conference of the IEEE Industrial Electronics Society, IECON 2017
Number of pages6
PublisherIEEE Press
Publication dateOct 2017
Pages2522-2527
ISBN (Electronic)978-1-5386-1127-2
DOIs
Publication statusPublished - Oct 2017
Event43rd Annual Conference of the IEEE Industrial Electronics Society, IECON 2017 - Beijing, China
Duration: 29 Oct 20171 Nov 2017

Conference

Conference43rd Annual Conference of the IEEE Industrial Electronics Society, IECON 2017
Country/TerritoryChina
CityBeijing
Period29/10/201701/11/2017
SponsorChinese Association of Automation (CAA), Chinese Power Supply Society, et al., IEEE Industrial Electronics Society (IES), Systems Engineering Society of China, The Institute of Electrical and Electronics Engineers (IEEE)

Keywords

  • DC microgrid
  • EV wireless charging
  • Hierarchical control
  • Operation states
  • Magnetic resonance coupling

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