基于双极直流配电网分支流模型的最佳功率流

IF 6.9 2区工程技术 Q2 ENERGY & FUELS

CSEE Journal of Power and Energy Systems Pub Date : 2024-11-11 DOI:10.17775/CSEEJPES.2023.08530

Yiyao Zhou;Qianggang Wang;Xiaolong Xu;Tao Huang;Jianquan Liao;Yuan Chi;Xuefei Zhang;Niancheng Zhou

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引用次数: 0

摘要

最优潮流（OPF）在双极直流配电网（Bi-DCDN）优化和运行中起着至关重要的作用。然而，现有的OPF模型在bi - dcdn的功率优化中遇到了困难，因为最优功率以产品形式表示，即电压与电流的乘积。因此，本文简要地利用分支流模型（BFM）阐述了bi - dcdn的OPF问题。BFM使用功率而不是电流来解释bi - dcdn的独特结构。采用凸松弛法和线性逼近法对基于bfm的OPF进行重新表述，将其表现为二阶锥规划问题。通过实例验证了所提出的OPF模型的有效性。数值结果表明，基于bfm的OPF是一种可行且有前景的双dcdn方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Optimal Power Flow Based on Branch Flow Model for Bipolar DC Distribution Networks

Optimal Power Flow (OPF) plays a crucial role in optimization and operation of the bipolar DC distribution network (Bi-DCDN). However, existing OPF models encounter difficulties in the power optimization of Bi-DCDNs due to the optimal power expressed as a product form, i.e., the product of voltage and current. Hence, this brief formulates the OPF problem of Bi-DCDNs using the branch flow model (BFM). The BFM employs power, instead of current, to account for the unique structure of Bi-DCDNs. Convex relaxation and linear approximation are sequentially applied to reformulate the BFM-based OPF, presenting it as a second-order cone programming (SOCP) problem. Further, the effectiveness of the proposed OPF model is verified in case studies. The numerical results demonstrate that the BFM-based OPF is a feasible and promising approach for Bi-DCDNs.

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来源期刊

CSEE Journal of Power and Energy Systems Energy-Energy (all)

CiteScore

11.80

自引率

12.70%

发文量

389

审稿时长

26 weeks

期刊介绍： The CSEE Journal of Power and Energy Systems (JPES) is an international bimonthly journal published by the Chinese Society for Electrical Engineering (CSEE) in collaboration with CEPRI (China Electric Power Research Institute) and IEEE (The Institute of Electrical and Electronics Engineers) Inc. Indexed by SCI, Scopus, INSPEC, CSAD (Chinese Science Abstracts Database), DOAJ, and ProQuest, it serves as a platform for reporting cutting-edge theories, methods, technologies, and applications shaping the development of power systems in energy transition. The journal offers authors an international platform to enhance the reach and impact of their contributions.