Model and Topological Characteristics of Power Distribution System Security Region

Jun Xiao, Guo-qiang Zu, Xiao-xu Gong and Cheng-shan Wang

Journal of Applied Mathematics, 2014, vol. 2014, issue 1

Abstract: As an important tool of transmission system dispatching, the region‐based method has just been introduced into distribution area with the ongoing smart distribution grid initiatives. First, a more accurate distribution system security region (DSSR) model is proposed. The proposed model is based on detailed feeder‐interconnected topology, and both substation transformer and feeder N‐1 contingencies are considered. Second, generic characteristics of DSSR are discussed and mathematically proved. That is, DSSR is a dense set of which boundary has no suspension and can be expressed by several union subsurfaces. Finally, the results from both a test case and a practical case demonstrate the effectiveness of the proposed modeling approach; the shape of DSSR is also illustrated by means of 2‐ and 3‐dimensional visualization. Moreover, the DSSR‐based assessment and control are preliminary illustrated to show the application of DSSR. The researches in this paper are fundamental work to develop new security region theory for future distribution systems.

Date: 2014
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https://doi.org/10.1155/2014/327078

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnljam:v:2014:y:2014:i:1:n:327078

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