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A modified MPPT algorithm with integrated active power control for PV-battery systems

  • Fulong Li
  • , Muhannad Alshareef
  • , Zhengyu Lin
  • , Wei Jiang
    • Yangzhou University

    Research output: Chapter in Book/Published conference outputConference publication

    Abstract

    Conventional operation strategy for photovoltaic (PV) system is to operate PV at maximum power point (MPP) for maximum energy harvest. However, this will cause problems in some scenarios. For PV-battery systems, when the batteries are nearly fully charged, operating PV at MPP will overcharge the battery, and decrease the lifespan of batteries. Besides, it has been reported that in some sunny days, surplus power generated by PVs can cause the turmoil of the distribution power network. To address this problem, this paper proposed a modified maximum power point tracking (MPPT) algorithm with integrated active PV output power control. The proposed algorithm has been experimentally verified in an off-grid PV-battery system. According to the Power-Voltage characteristic of PV, there are two possible operating points for reduced power output, thus, a comparison of two operation points is discussed.

    Original languageEnglish
    Title of host publicationThe 5th IEEE International Conference on Renewable Energy Research and Applications (ICRERA 2016)
    PublisherIEEE
    Pages742-746
    Number of pages5
    ISBN (Electronic)978-1-5090-3388-1
    DOIs
    Publication statusPublished - 23 Mar 2017
    Event5th IEEE International Conference on Renewable Energy Research and Applications, ICRERA 2016 - Birmingham, United Kingdom
    Duration: 20 Nov 201623 Nov 2016

    Conference

    Conference5th IEEE International Conference on Renewable Energy Research and Applications, ICRERA 2016
    Country/TerritoryUnited Kingdom
    CityBirmingham
    Period20/11/1623/11/16

    Bibliographical note

    -

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 7 - Affordable and Clean Energy
      SDG 7 Affordable and Clean Energy

    Keywords

    • active power control
    • battery charging
    • MPPT
    • operating points
    • PV

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