Analysis Theory of Generalized Electric Circuit for Multi-energy Networks —Part Two Network Model

Jingwei YANG; Ning ZHANG; Chongqing KANG

doi:10.7500/AEPS20200209002

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Analysis Theory of Generalized Electric Circuit for Multi-energy Networks —Part Two Network Model

Basic Research | 更新时间：2025-06-16

- Analysis Theory of Generalized Electric Circuit for Multi-energy Networks —Part Two Network Model
- Automation of Electric Power Systems Vol. 44, Issue 10, Pages: 10-21(2020)
- 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：
- 基金信息：
  
  National Natural Science Foundation of China-State Grid Joint Fund for Smart Grid;the Major International (Regional) Joint Research Project of National Natural Science Foundation of China
- DOI：10.7500/AEPS20200209002
  CLC：
- Received：09 February 2020，
  
  Revised：2020-03-24，
  
  Published Online：09 April 2020，
  
  Published：25 May 2020
- 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——（二）网络模型[J].电力系统自动化,2020,44(10):10-21.

YANG Jingwei,ZHANG Ning,KANG Chongqing.Analysis Theory of Generalized Electric Circuit for Multi-energy Networks —Part Two Network Model[J].Automation of Electric Power Systems,2020,44(10):10-21.
杨经纬,张宁,康重庆.多能源网络的广义电路分析理论——（二）网络模型[J].电力系统自动化,2020,44(10):10-21. DOI： 10.7500/AEPS20200209002.

YANG Jingwei,ZHANG Ning,KANG Chongqing.Analysis Theory of Generalized Electric Circuit for Multi-energy Networks —Part Two Network Model[J].Automation of Electric Power Systems,2020,44(10):10-21. DOI： 10.7500/AEPS20200209002.

摘要

以电力、热力、燃气网络为代表的多能源网络是世界上最为复杂的物理网络之一，是连接能源生产和消费的重要传输环节，也是多能源系统耦合的重要途径。文中借鉴电力系统分析中“矩阵化”与“外端口等值”的思想，基于多能源网络支路层的广义电路模型，提出了网络层的广义电路分析理论。首先，针对多能源网络高维动态特性难以描述的问题，以支路广义电路模型为基础提出了拉普拉斯域通用多能源网络建模方法，并建立了矩阵化的紧凑模型。其次，提出了多能源网络的外端口等值方法，等效地将复杂的内部信息转换为等值的边界条件，既能解决多能源网络的联合分析难题，同时又很好地保护各能源系统数据信息隐私。最后，分别结合热力网络与燃气网络的实际特点，提出了热力网络与燃气网络的全网络广义电路模型与边界等值方法。

Abstract

The multi-energy networks represented by power

gas and heat networks are one of the most complex physical networks in the world

which are also the key components connecting energy production and consumption

as well as the important way of the coupling of multi-energy systems. Based on the generalized electric circuit model of the branch layer in multi-energy systems

this paper proposes the generalized electric circuit analysis theory for the network layer. Firstly

according to the difficulty of representing the high-dimensional dynamic characteristics of multi-energy networks

a generalized modeling method for multi-energy networks in Laplace domain is proposed based on the generalized electric circuit model at branch layer

and the corresponding compact matrix model is also proposed. Secondly

external-port equivalent method of multi-energy networks is proposed

which can transform the complex internal information into equivalent boundary conditions to simplify the coordinated analysis of multi-energy networks and protect the data privacy of each energy system. Finally

combined with the practical characteristics of the heat network and the gas network

the generalized electric circuit model and the boundary equivalent method are proposed for the whole network with heat network and gas network.

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references

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