Optimal Power Flow of Integrated Hydrogen-Electricity Energy System Based on Reduced-dimension Projection

PENG Hongyi; YAN Mingyu; ZHOU Yijia

doi:10.7500/AEPS20240828005

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Optimal Power Flow of Integrated Hydrogen-Electricity Energy System Based on Reduced-dimension Projection

Basic Research | 更新时间：2025-06-16

- Optimal Power Flow of Integrated Hydrogen-Electricity Energy System Based on Reduced-dimension Projection
- Automation of Electric Power Systems Vol. 49, Issue 7, Pages: 169-178(2025)
- 作者机构：
  
  强电磁技术全国重点实验室（华中科技大学），湖北省武汉市 430074
- 作者简介：
- 基金信息：
  
  the National Key R&D Program of China(2023YFB4005601)
- DOI：10.7500/AEPS20240828005
  CLC：
- Received：28 August 2024，
  
  Revised：2024-12-09，
  
  Published Online：21 March 2025，
  
  Published：10 April 2025
- 稿件说明：
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彭弘毅,晏鸣宇,周奕佳.基于降维投影的氢-电综合能源系统最优潮流[J].电力系统自动化,2025,49(7):169-178.

PENG Hongyi,YAN Mingyu,ZHOU Yijia.Optimal Power Flow of Integrated Hydrogen-Electricity Energy System Based on Reduced-dimension Projection[J].Automation of Electric Power Systems,2025,49(7):169-178.
彭弘毅,晏鸣宇,周奕佳.基于降维投影的氢-电综合能源系统最优潮流[J].电力系统自动化,2025,49(7):169-178. DOI： 10.7500/AEPS20240828005.

PENG Hongyi,YAN Mingyu,ZHOU Yijia.Optimal Power Flow of Integrated Hydrogen-Electricity Energy System Based on Reduced-dimension Projection[J].Automation of Electric Power Systems,2025,49(7):169-178. DOI： 10.7500/AEPS20240828005.

摘要

针对考虑风电不确定性氢-电综合能源系统最优潮流问题，提出了一种基于降维投影的最优潮流计算方法。首先，建立考虑风电不确定性的氢-电综合能源系统集中运行模型，并将其等价转化为确定性模型。然后，将该确定性模型分解为各子系统的子问题，利用降维投影法将各子问题的运行空间投影到较低维的空间中，每个子问题的投影运行空间重新构成了新的凸包。接着，通过求解重构凸包约束下的优化问题，可以得到氢-电综合能源系统最优成本下公有变量的值。再次，利用最优成本下公有变量的值求解各子问题，可以得到最优成本下各子系统的潮流。该方法在求解过程中隐藏了私有信息，并避免了迭代。最后，在6-6节点氢-电综合能源系统和40-118节点氢-电综合能源系统上对所提方法进行了测试，验证了所提方法的有效性、最优性、隐私保护性等优势。

Abstract

An optimal power flow calculation method based on the reduced-dimension projection is proposed to solve the problem of optimal power flow in the integrated hydrogen-electricity energy system considering the uncertainty of wind power. Firstly

the centralized operation model of an integrated hydrogen-electricity energy system considering the uncertainty of wind power is established and equivalently transformed into a deterministic model. Then

the deterministic model is decomposed into subproblems for each subsystem. The reduced-dimension projection method is used to project the operation space of each subproblem into a lower-dimensional space

and the projected operation spaces of each subproblem are reconstrcted into a new convex hull.Next

by solving the optimal problem under the constraints of the reconstructed convex hull

the values of the common variables under the optimal cost of the integrated hydrogen-electricity energy system can be obtained. Furthermore

using the values of the common variables under the optimal cost to solve each subproblem

the power flow of each subsystem under the optimal cost can be obtained. This method conceals private information during the solution process and avoids iteration. Finally

the proposed method is tested on 6-6-node and 40-118-node integrated hydrogen-electricity energy systems

and the effectiveness

optimality

privacy protection

and other advantages of the proposed method are verified.

关键词

Keywords

references

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氢-电综合能源系统模型参数［EB/OL］.［ 2024-01-01 ］. https：//1drv.ms/x/s https://1drv.ms/x/s ！AuFXKnsuZMScXVd 1 bWkbdi_ 9 Hk？e=tA 8 Rvb .

Data of hydrogen-electricity integrated energy system model ［EB/OL］.［ 2024-01-01 ］. https：//1drv.ms/x/s https://1drv.ms/x/s ！AuFXKnsu-ZMScXVd 1 bWkbdi_ 9 Hk？e=tA 8 Rvb .

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