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A planning framework for AC-DC bilayer microgrids

机译：AC-DC双层微电网的规划框架

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摘要

This paper proposes a novel stochastic planning framework for bilayer microgrids (B mu Gs), which facilitates the integration of different types (AC and DC) of loads and distributed generations (DGs). In contrast to the conventional mu G configurations that adopt single layer, the bilayer configuration has an AC layer in addition to a DC layer, where all the AC/DC loads and DGs are connected directly to the corresponding AC/DC layer. The interconnection between the AC and DC layers is achieved through one or more interlinking converters (ICs). Depending on the types, locations, and specifications of the mu G loads and DGs, the planning framework allows each node to be a universal node that can include two buses (AC and DC) or a single bus (AC or DC). The network wiring can also be universal (AC, DC, or both) to facilitate the connection between the system nodes. The framework determines the optimal B mu G configuration that minimizes the system total costs by providing the following decisions: the AC-layer connection; the DC-layer connection; and the number, locations and sizes of the ICs. Two case studies have been implemented and solved using different mu G configurations to demonstrate the effectiveness of the proposed framework and the benefits of the B mu G.
机译：本文提出了一种用于双层微电网（B MU GS）的新型随机规划框架，其促进了载荷和分布代（DGS）的不同类型（AC和DC）的整合。与此相反采用单层的常规亩ģ配置中，该双层结构具有除了DC层，其中所有的AC / DC负载和分布式电源被直接连接到相应的AC / DC层的AC层。通过一个或多个互连转换器（IC）实现AC和DC层之间的互连。根据不同的类型，位置，和亩ģ负载和分布式电源的规格，规划框架允许每个节点是通用节点，其可以包括两个总线（AC和DC）或单总线（AC或DC）。网络接线也可以是通用（AC，DC或两者），以便于系统节点之间的连接。该框架通过提供以下决策，确定最佳B MU G配置，从而最大限度地减少系统总成本：AC层连接; DC层连接;和IC的数量，位置和大小。使用不同的MU G配置实施和解决了两种案例研究，以证明所提出的框架的有效性和B Mu G的益处。

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