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    Voltage-drop phenomenon and countermeasures in distribution grids with large amount of photovoltaic power generation

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    CIRED 2018 Ljubljana WS - 0130 - 21118.pdf (632.3Kb)
    Paper number
    0130
    Conference name
    CIRED 2018 Ljubljana Workshop
    Conference date
    7 - 8 June 2018
    Conference location
    Ljubljana, Slovenia
    Peer-reviewed
    Yes
    Metadata
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    Authors
    Oda, Toshiki, Central Research Institute of Electric Power Industry, Japan
    Takahashi, Naoyuki, Central Research Institute of Electric Power Industry, Japan
    Uemura, Satoshi, Central Research Institute of Electric Power Industry, Japan
    Abstract
    In Japan, rapid voltage drop and reduction in interconnection capacity due to degradation of system stability have occurred in long-distance distribution lines with large amounts of photovoltaic power generation (PV). Distributed energy resources such as PV are regarded as the main energy sources in microgrids. To develop microgrid facilities, we need to understand both the system condition of the voltagedrop phenomenon and the limited interconnection capacity based on system stability. In this paper, we describe the distribution system conditions based on the voltage-drop situation. We propose a method to calculate the limited interconnection capacity of grids without using power flow calculation. The validity of the proposed method was verified by comparison with the power flow calculation. Therefore, good results were obtained.
    Publisher
    AIM
    Date
    2018-06-07
    Published in
    • CIRED 2018 Ljubljana Workshop on Microgrids and Local Energy Communities
    Permanent link to this record
    https://www.cired-repository.org/handle/20.500.12455/1207
    http://dx.doi.org/10.34890/326
    ISSN
    2032-9628
    ISBN
    978-2-9602415-1-8

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