Bialek, Janusz W.

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Bialek, Janusz W.
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Bialek, Janusz W.

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  • Publication
    Minimum cost curtailment for distributed generation voltage management
    (2008-07)
    Keane, Andrew 
    ;
    Zhou, Qiong 
    ;
    Bialek, Janusz W. 
    ;
    O'Malley, Mark 
    The penetration of DG is increasing on distribution networks across the world. As a result, networks are being pushed closer to their operating limits. In particular, voltage rise has been identified as a key barrier to further DG capacity. Active management of the voltage constraint may be possible, leading to a form of constraint management at distribution level for the first time. Here a novel method is proposed, which minimises the cost of curtailment. It takes advantage of the dispatchable capability of certain forms of DG, such as biomass, hydro or landfill gas. There are a number of well established methods for congestion management on the transmission network. A number of these are applied to voltage management on the distribution network and used for comparison with the new minimum cost method. The variability of voltage sensitivities andmarket prices is also investigated, with their impact on the cost of curtailment quantified.
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