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    Voltage unbalance sensitivity analysis of plug-in electric vehicles in distribution networks

    Access Status
    Fulltext not available
    Authors
    Shahnia, Farhad
    Ghosh, Arindam
    Ledwich, G.
    zare, F.
    Date
    2011
    Type
    Conference Paper
    
    Metadata
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    Citation
    Shahnia, F. and Ghosh, A. and Ledwich, G. and zare, F. 2011. Voltage unbalance sensitivity analysis of plug-in electric vehicles in distribution networks, in Prof. Gerard Ledwich (ed), 2011 21st Australasian Universities Power Engineering Conference, Sep 25 2011. Brisbane: Institute of Electrical and Electronics Engineers ( IEEE ).
    Source Title
    Universities Power Engineering Conference (AUPEC), 2011 21st Australasian
    Source Conference
    2011 21st Australasian Universities Power Engineering Conference
    ISBN
    978-145771793-2
    URI
    http://hdl.handle.net/20.500.11937/26377
    Collection
    • Curtin Research Publications
    Abstract

    Plug-in electric vehicles (PEVs) will soon be connected to residential distribution networks. They are considered as huge residential loads when being charged. However as the battery technology improves, they will also be able to support the network as small dispersed generation units which transfer the energy stored in their battery into grid. Even though the increase in the PEV connection is gradual, their connection points and charging/discharging levels are random. Therefore, such single-phase bi-directional power flow can have adverse effect on the voltage unbalance of a three-phase distribution network. In this paper, a voltage unbalance sensitivity analysis and stochastic evaluation based on the connection point and charging and discharging levels of the PEVs in a residential low voltage distribution network are presented. The stochastic evaluation, based on Monte Carlo method, predicts a failure index of non-standard voltage unbalance in the network in the presence of PEVs.

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