Optimal Protection Coordination in Distribution Systems with Distributed Generations

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in Distribution Systems with Distributed Generations</title> <meta name="description" content="Optimal Protection Coordination in Distribution Systems with Distributed Generations"> <meta name="keywords" content="distributed generation, DG, distribution network, over current relay, OCR, protection coordination, pickup current, time dial setting, TDS"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" 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</div> <div class="card publication-listing mt-3 mb-3"> <h5 class="card-header" style="font-size:.9rem">Optimal Protection Coordination in Distribution Systems with Distributed Generations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdorreza%20Rabiee">Abdorreza Rabiee</a>, <a href="https://publications.waset.org/abstracts/search?q=Shahla%20Mohammad%20Hoseini%20Mirzaei"> Shahla Mohammad Hoseini Mirzaei</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The advantages of distributed generations (DGs) based on renewable energy sources (RESs) leads to high penetration level of DGs in distribution network. With incorporation of DGs in distribution systems, the system reliability and security, as well as voltage profile, is improved. However, the protection of such systems is still challenging. In this paper, at first, the related papers are reviewed and then a practical scheme is proposed for coordination of OCRs in distribution system with DGs. The coordination problem is formulated as a nonlinear programming (NLP) optimization problem with the object function of minimizing total operating time of OCRs. The proposed method is studied based on a simple test system. The optimization problem is solved by General Algebraic Modeling System (GAMS) to calculate the optimal time dial setting (TDS) and also pickup current setting of OCRs. The results show the effectiveness of the proposed method and its applicability. <iframe src="https://publications.waset.org/abstracts/95260.pdf" style="width:100%; height:400px;" frameborder="0"></iframe> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=distributed%20generation" title="distributed generation">distributed generation</a>, <a href="https://publications.waset.org/abstracts/search?q=DG" title=" DG"> DG</a>, <a href="https://publications.waset.org/abstracts/search?q=distribution%20network" title=" distribution network"> distribution network</a>, <a href="https://publications.waset.org/abstracts/search?q=over%20current%20relay" title=" over current relay"> over current relay</a>, <a href="https://publications.waset.org/abstracts/search?q=OCR" title=" OCR"> OCR</a>, <a href="https://publications.waset.org/abstracts/search?q=protection%20coordination" title=" protection coordination"> protection coordination</a>, <a href="https://publications.waset.org/abstracts/search?q=pickup%20current" title=" pickup current"> pickup current</a>, <a href="https://publications.waset.org/abstracts/search?q=time%20dial%20setting" title=" time dial setting"> time dial setting</a>, <a href="https://publications.waset.org/abstracts/search?q=TDS" title=" TDS"> TDS</a> </p> <a href="https://publications.waset.org/abstracts/95260/optimal-protection-coordination-in-distribution-systems-with-distributed-generations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/95260.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">138</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About 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Optimal Protection Coordination in Distribution Systems with Distributed Generations