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Optimal reconfiguration of radial MV networks with load profiles in the presence of renewable energy based decentralized generation

机译：在基于可再生能源的分散发电的情况下，具有负载曲线的径向MV网络的最佳重新配置

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The main concern of integration the renewable energy into the supply grid, in Germany, is to reach about 35% of the total generation by 2030. In this case, a large amount of the produced power will be provided as Decentralized Generation (DG). Therefore, the future distribution networks with the high penetration of DG power have to be planned and operated in order to improve their efficiency. Thus, the current study proposes a new methodology for reconfiguration of radial MV networks with the existence of renewable energy based DG units. Since the main concept of the proposed methodology is to minimize the energy loss, definition of a typical network, based on a real life urban network, will be handled. In this regards, the optimization algorithm was formulated using a combination of Tabu Search (TS) and Branch Exchange (BE). The utilized algorithm was based on C++ and NEPLAN - power system analysis software. Whereas, the load profiles of residential and commercial loads were used through the implementation of the algorithm. Two phases were conducted in the implementation of the proposed algorithm. In the first phase, the DG power has been assumed to be constant at different percentages of the rated power of each unit. In the second phase, the DG with generation profiles has been considered. At that end, the current methodology demonstrated a high performance in minimizing the energy loss, improving the voltage profiles and relieving the bottlenecks in the lines.
机译：在德国，将可再生能源整合到供应电网中的主要考虑是到2030年达到总发电量的35％。在这种情况下，将以分散发电（DG）的形式提供大量发电量。因此，未来必须规划和运行具有DG电力高渗透率的配电网络，以提高其效率。因此，当前的研究提出了一种基于可再生能源的DG单元对径向MV网络进行重新配置的新方法。由于所提出方法的主要概念是最大程度地减少能量损失，因此将处理基于现实生活中的城市网络的典型网络的定义。在这方面，使用禁忌搜索（TS）和分支交换（BE）的组合制定了优化算法。使用的算法基于C ++和NEPLAN-电力系统分析软件。而通过执行该算法，可以使用住宅和商业负载的负载曲线。该算法的实施分为两个阶段。在第一阶段中，假设DG功率在每个单元的额定功率的不同百分比下是恒定的。在第二阶段，已经考虑了具有发电配置文件的DG。最终，当前的方法论展示了在最小化能量损失，改善电压曲线和缓解线路瓶颈方面的高性能。

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