Effect of Reactive Power Management of PV Inverters on Need for Energy Storage

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Grid connected Photovoltaic (PV) systems are among the increasingly growing electric power generation units worldwide. The majority of new installations are expected to be residential PVs that are connected into distribution systems. However, the PV hosting capacity of low voltage (LV) grids is limited due to the voltage rise at the point of connection associated with the PV feed-in current. Reactive power management using PV inverters and using the electrical energy
storage systems (EESS) are amongst the main solutions for increasing the PV hosting capacity in LV grids. In this paper, a method is developed in order to examine the effect of reactive power absorption by PV inverters on EESS capacity required for overvoltage prevention in LV grids. Simulations show that
reactive power absorption can effectively decrease the EESS capacity.
Original languageEnglish
Title of host publicationProceedings of the 39th IEEE Photovoltaic Specialists Conference
Number of pages5
PublisherIEEE
Publication date2013
Publication statusPublished - 2013
Event39th IEEE Photovoltaic Specialists Conference - Tampa, Florida, United States
Duration: 16 Jun 201321 Jun 2013

Conference

Conference39th IEEE Photovoltaic Specialists Conference
CountryUnited States
CityTampa, Florida
Period16/06/201321/06/2013

    Research areas

  • Energy storage, High PV penetration, Overvoltages, Reactive power.

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