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Matrix Backward Forward Sweep for Unbalanced Power Flow in alpha beta 0 frame

机译:矩阵向后正向扫描,用于alpha beta 0帧中的不平衡功率流

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摘要

A Backward/Forward Sweep (BFS) algorithm for power flow calculations adapted to matrix formulation in the alpha beta 0 reference frame is presented in this paper. The novelty of the work is the definition of a BFS solver with the following characteristics: matrix formulation in alpha beta 0 frame, valid for unbalanced three phase or single phase systems and capable of handling transformers and distributed generators; Slack, PQ or PV nodes. The matrix formulation avoids the difficulties of load-flow methods presented in the literature: lack of generalization for arbitrary network topologies and transformer connections; the alpha beta 0 stationary reference frame makes the algorithm easily applicable to distribution systems; and finally, the BFS algorithm is an efficient, robust and fast solver. The IEEE Node Test Feeders will be used to provide test systems under several configurations. Comparison to a direct algorithm will demonstrate the improvements in robustness, efficiency and computation time. (C) 2017 Elsevier B.V. All rights reserved.
机译:本文提出了一种用于潮流计算的后向/前向扫描(BFS)算法,适用于alpha beta 0参考系中的矩阵公式。这项工作的新颖性是对具有以下特征的BFS求解器的定义:alpha beta 0框架中的矩阵公式,适用于不平衡的三相或单相系统,并能够处理变压器和分布式发电机;松弛,PQ或PV节点。矩阵公式避免了文献中提出的潮流方法的难题:对任意网络拓扑和变压器连接缺乏通用性; alpha beta 0固定参考系使该算法易于应用于配电系统;最后,BFS算法是一种高效,强大且快速的求解器。 IEEE节点测试馈线将用于提供几种配置的测试系统。与直接算法的比较将证明鲁棒性,效率和计算时间方面的改进。 (C)2017 Elsevier B.V.保留所有权利。

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