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An Optimal Operation Model of Integrated Energy System Considering Network Constraints

A technology for integrated energy system and optimized operation, applied in the direction of system integration technology, information technology support system, resources, etc., it can solve the problem of lack of comprehensive modeling and analysis of network characteristics of integrated energy system, so as to ensure economic operation, network performance, etc. The effect of operating safety

Active Publication Date: 2022-05-10
GUANGDONG POWER GRID CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of them focus on the transmission constraints of the power system, and there is no comprehensive modeling and analysis of the network characteristics of the integrated energy system.

Method used

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  • An Optimal Operation Model of Integrated Energy System Considering Network Constraints
  • An Optimal Operation Model of Integrated Energy System Considering Network Constraints
  • An Optimal Operation Model of Integrated Energy System Considering Network Constraints

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Embodiment 1

[0059] The present invention proposes an integrated energy system optimization operation model considering network constraints. The flow chart is as follows figure 1 As shown, the specific steps of the method are as follows:

[0060] S1: Collect information on power systems, gas systems, and thermal systems to be analyzed, including: energy supply costs on the supply side, network topology and capacity constraints on the transmission side, and user energy demand on the demand side;

[0061] Determine the set of optimal operation time period t, which is denoted as T; determine the cogeneration plant information, denote the set as Ψ; determine the topology information of the power system, gas system, and thermal system, and denote the node sets as Ω e , Ω g , Ω h ;Remember the node i∈Ω in the power system e The set of directly connected nodes is Note that in gas system and node i∈Ω g The set of directly connected nodes is Note that in the thermodynamic system and node i∈...

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Abstract

The comprehensive energy system optimization operation model considering network constraints proposed by the invention belongs to the field of energy system analysis. The present invention establishes an integrated energy system optimization operation model with the power system, gas supply system, and district heating system as the main body. The model aims at minimizing the operating cost of the integrated energy system, and considers the power network, gas network, and thermal network. The characteristic constraints can ensure the balance of energy supply and demand of the integrated energy system and the security of network operation, and have practical value and guiding significance for the economic and safe operation of the integrated energy system.

Description

technical field [0001] The invention belongs to the field of energy system analysis, and is specifically an optimized operation model of an integrated energy system considering network constraints. Background technique [0002] The integrated energy system refers to a large energy system with electricity, heat, and gas systems as the main body. Different types of energy have complex coupling relationships in each link of circulation, and then form an interrelated organic whole, so it can be called an integrated energy system. [0003] At present, in terms of energy system optimization and operation, my country's power, heat, gas and other energy systems are all in a state of separate management, without considering the coupling effect of energy and the overall efficiency of the energy system, so it can only achieve "local energy" within each energy system. Optimum” cannot achieve the “global optimum” of the overall energy system. In addition, electricity, heat, and gas usual...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06
CPCG06Q10/04G06Q10/067G06Q50/06Y02P90/82Y04S10/50Y02E40/70
Inventor 李瑞锋谭喆陈建福李建标徐峰黄明磊刘尧陈启鑫段新辉丘冠新黄宇魁顾博川尤毅杨昆唐小川钱兴博温柏坚蔡徽萧展辉裴求根江疆游雪峰王大鹏黄剑文彭泽武魏理豪谢瀚阳凌华明
Owner GUANGDONG POWER GRID CO LTD
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