Successive MISOCP Algorithm for Islanded Distribution Networks with Soft Open Points

Tao Zhang; Yunfei Mu; Hongjie Jia; Xinying Wang; Tianjiao Pu

doi:10.17775/CSEEJPES.2021.02910

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Successive MISOCP Algorithm for Islanded Distribution Networks with Soft Open Points

Regular Papers | 更新时间：2026-10-15

- Successive MISOCP Algorithm for Islanded Distribution Networks with Soft Open Points
- CSEE Journal of Power and Energy Systems Vol. 9, Issue 1, Pages: 209-220(2023)
- 作者机构：
  
  1. Key Laboratory of Smart Grid of Ministry of Education, Key Laboratory of Smart Energy & Information Technology of Tianjin Municipality, Tianjin University,Tianjin,China
  2. China Electric Power Research Institute,Beijing,China
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2021.02910
  CLC：
- Published：01 January 2023
- 稿件说明：
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Tao Zhang, Yunfei Mu, Hongjie Jia, et al. Successive MISOCP Algorithm for Islanded Distribution Networks with Soft Open Points[J]. CSEE Journal of Power and Energy Systems, 2023, 9(1): 209-220.
DOI：

Tao Zhang, Yunfei Mu, Hongjie Jia, et al. Successive MISOCP Algorithm for Islanded Distribution Networks with Soft Open Points[J]. CSEE Journal of Power and Energy Systems, 2023, 9(1): 209-220. DOI： 10.17775/CSEEJPES.2021.02910.

摘要

Abstract

An optimal operation scheme is of great significance in islanded distribution networks to restore critical loads and has recently attracted considerable attention. In this paper

an optimal power flow (OPF) model for islanded distribution networks equipped with soft open points (SOPs) is proposed. Unlike in the grid-connected mode

the adequacy of local power generation in distribution networks is critical for islanded systems. The proposed approach utilizes the power output of local distributed generations (DGs) and the benefits of reactive power compensation provided by SOPs to allow maximum loadability. To exploit the available resources

an optimal secondary droop control strategy is introduced for the islanded distribution networks

thereby minimizing load shedding. The formulated OPF problem is essentially a mixed-integer nonlinear programming (MINLP) model. To guarantee the computation efficiency and accuracy. A successive mixed-integer second-order cone programming (S-MISOCP) algorithm is proposed for handling the nonlinear islanded power flow formulations. Two case studies

incorporating a modified IEEE 33-bus system and IEEE 123-bus system

are performed to test the effectiveness of the proposed approach.

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