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۱Distributed Generation: Protection Problems, Optimal Placement
اطلاعات انتشار: Majlesi Journal of Energy Management، چهارم،شماره۲، Jun ۲۰۱۵، سال
تعداد صفحات: ۸
Applications of Distributed Generation (DG) are taken into account more seriously due to the growth of cities, ever–increasing demand for electrical energy, and economic constraints affecting the installation of new substations and power plants. Distributed Generation unlike centralized electrical generation aims to generate electrical energy on small scale as near as possible to the load centers, interchanging electric power with the network. The installation of DG units at non–optimal places can result in an increase in system losses, implying in an increase in costs and, therefore, having an effect opposite to the desired. On the other hand, presence of the DG in a radial distribution network, in which all the currents are flowed from the source to the consumers, may this pure radial nature is lost. Thus the protection of distribution networks becomes a challenging task due to the change in the fault current levels and direction. Therefore the Optimal distributed generation sizing and placement, also negative effects of the DG on the protection system of the distribution network will be reviewed in this paper.
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