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Research on distribution network reconfiguration based oncable temperature constraint(PDF)


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Research on distribution network reconfiguration based oncable temperature constraint
Shi Zexuan1Zhang Xudong1Ying Zhanfeng1Chen Xiong23
1.School of Energy and Power Engineering,Nanjing University of Science and Technology,Nanjing 210094,China; 2.NARI Technology Co Ltd,Nanjing 211106,China; 3.State Grid Electric Power Research Institute,NARI Group Corporation,Nanjing 211106,China
cable transient thermal model distribution network reconfiguration temperature constraint line capacity
In order to overcome the shortcomings of taking the cable current carrying capacity as the line capacity constraint in the traditional distribution network reconstruction model,based on the cable transient thermal model,a distribution network reconstruction model taking the cable temperature constraints into consideration is proposed to minimize the network loss and maximize the load of the power supply in this paper. The model improves the line capacity constraint to the cable operating temperature constraint,so it can fully exploit the line power supply capacity by using the cable temperature margin and its temperature rise inertia process,thereby further optimizing the distribution network reconstruction decision and keeping the safety and economic operation of the distribution network to a greater extent.


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Last Update: 2019-11-30