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  • Dynamic Voltage Stability Improvement of Islanded Microgrid by Smart PV Inverter

    Author(s)
    Afrin, N
    Yang, F
    Lu, J
    Griffith University Author(s)
    Lu, Junwei
    Yang, Fuwen
    Year published
    2019
    Metadata
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    Abstract
    This paper presents a voltage support(VS) control for smart photovoltaic (PV) inverters to enhance the dynamic voltage stability (DVS) of inverter based islanded microgrids (MGs). The proposed control utilizes the maximal current capacity of the inverter for the transient period in the event of voltage sag to provide reactive power support in conjunction with active power support. This optimized utilization of inverter capacity ensures the maximum injection of active power compared to other VS controls under similar network conditions. As a consequence, proposed control provides effective VS to resist the instability. Different ...
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    This paper presents a voltage support(VS) control for smart photovoltaic (PV) inverters to enhance the dynamic voltage stability (DVS) of inverter based islanded microgrids (MGs). The proposed control utilizes the maximal current capacity of the inverter for the transient period in the event of voltage sag to provide reactive power support in conjunction with active power support. This optimized utilization of inverter capacity ensures the maximum injection of active power compared to other VS controls under similar network conditions. As a consequence, proposed control provides effective VS to resist the instability. Different case studies are conducted to examine the DVS of two inverter based MGs. Demonstrated results depict the potentiality of the proposed control on improving the DVS.
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    Conference Title
    Asia-Pacific Power and Energy Engineering Conference, APPEEC
    Volume
    2019-December
    DOI
    https://doi.org/10.1109/APPEEC45492.2019.8994745
    Subject
    Electrical engineering
    Publication URI
    http://hdl.handle.net/10072/392668
    Collection
    • Conference outputs

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