多能源网络的广义电路分析理论——（一）支路模型

杨经纬; 张宁; 康重庆

doi:10.7500/AEPS20200209001

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多能源网络的广义电路分析理论——（一）支路模型

学术研究 | 更新时间：2025-06-16

- 多能源网络的广义电路分析理论——（一）支路模型
- Analysis Theory of Generalized Electric Circuit for Multi-energy Networks —Part One Branch Model
- 电力系统自动化-方正平台 2020年44卷第9期页码：21-32
- 作者机构：
  
  1. 电力系统及发电设备控制和仿真国家重点实验室，清华大学，北京市 100084
  2. 清华大学电机与应用电子技术系,北京市 100084
- 作者简介：
  
  杨经纬(1992—)，男，博士研究生，主要研究方向：多能源系统、新能源、电力负荷预测。E-mail:yjw15@mails.tsinghua.edu.cn
  张宁(1985—)，男，副教授，主要研究方向:新能源、电力系统规划及运行、多能源系统。E-mail:ningzhang@tsinghua.edu.cn
  康重庆(1969—)，男，通信作者，教授，主要研究方向：电力规划与运行、可再生能源、能源互联网、低碳电力技术等。E-mail:cqkang@tsinghua.edu.cn
- 基金信息：
  
  国家自然科学基金重点国际（地区）合作研究项目(51620105007);国家自然科学基金委员会-国家电网公司智能电网联合基金资助项目(U1766212)
- DOI：10.7500/AEPS20200209001
  中图分类号：
- 收稿日期：2020-02-09，
  
  修回日期：2020-03-24，
  
  网络出版日期：2020-04-09，
  
  纸质出版日期：2020-05-10
- 稿件说明：
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杨经纬,张宁,康重庆.多能源网络的广义电路分析理论——（一）支路模型[J].电力系统自动化,2020,44(9):21-32.

YANG Jingwei,ZHANG Ning,KANG Chongqing.Analysis Theory of Generalized Electric Circuit for Multi-energy Networks —Part One Branch Model[J].Automation of Electric Power Systems,2020,44(9):21-32.
杨经纬,张宁,康重庆.多能源网络的广义电路分析理论——（一）支路模型[J].电力系统自动化,2020,44(9):21-32. DOI： 10.7500/AEPS20200209001.

YANG Jingwei,ZHANG Ning,KANG Chongqing.Analysis Theory of Generalized Electric Circuit for Multi-energy Networks —Part One Branch Model[J].Automation of Electric Power Systems,2020,44(9):21-32. DOI： 10.7500/AEPS20200209001.

摘要

多种能源形式的互补与耦合为多能源系统集成带来巨大价值，但不同能源形式遵循不同的物理规律和数学表征形式，为综合分析与协同优化带来了挑战。文中基于拉普拉斯变换这一分析系统动态过程的有力工具，提出了多能源网络的广义电路分析理论。首先，建立了多能源网络支路层能量流的统一数学方程，提出了以拉普拉斯变换为基础的广义电路建模方法，将多能源网络在时域的复杂传输特性转换为拉普拉斯域简单的代数问题，提出了各能源系统能量流的分布参数电路模型，进一步提出了以“支路”为整体单位的支路层能量流集中参数传输模型。文中提出的多能源网络广义电路支路模型能够科学地分析支路层能量流的稳态与动态特性，揭示多能源网络能量流的共性，为多能源系统全网络分析奠定基础。

Abstract

The complementarity and coupling of various energy forms bring great value to the multi-energy system integration. However

different energy systems follow different physical laws and mathematical representations

which challenges the comprehensive analysis and coordinated optimization. Based on Laplace transform

a powerful tool for modeling the dynamic process of a system

this paper proposes a generalized electric circuit analysis theory for multi-energy networks. Firstly

a unified mathematical equation of heterogeneous energy flow in multi-energy networks is established

and the modeling method of generalized electric circuit is proposed based on the Laplace transform. The complex transmission characteristics of multi-energy networks in time domain are transformed into simple algebraic problems in Laplace domain

and the electric circuit model of distributed parameters for energy flow in each energy system is proposed. The lumped-parameter transmission model in branch layer is then proposed

which acts branch as the whole unit. The proposed branch model of generalized electric circuit can scientifically analyze the steady-state and dynamic characteristics of power flow in branch layer and reveal the commonness of energy flow of multi-energy networks

which lays the foundation for the full network analysis of multi-energy systems.

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references

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