Steady-state modeling method for integrated energy system based on energy hub

A technology of integrated energy system and modeling method, which is applied in the field of steady-state modeling of integrated energy system based on energy hubs, and can solve problems such as missing

Active Publication Date: 2021-05-11
TSINGHUA UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

However, the unified modeling method of the integrated energy system is still lacking at present, making the simulation research of the integrated energy system mostly in the initial and experimental stage

Method used

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  • Steady-state modeling method for integrated energy system based on energy hub
  • Steady-state modeling method for integrated energy system based on energy hub
  • Steady-state modeling method for integrated energy system based on energy hub

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Embodiment Construction

[0089] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0090] 1. Integrated energy system architecture

[0091] This embodiment takes figure 1 The integrated energy system with cold-heat-electric coupling shown as an example is used for system steady-state modeling. The system adopts a 33-node three-phase balanced power system and a modified 9-node thermal system; the cooling sy...

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Abstract

The invention belongs to the technical field of electric power, and in particular relates to a steady-state modeling method of an integrated energy system based on an energy hub. The innovation of the present invention lies in: 1) the method of the present invention can be used to analyze the comprehensive energy system of cross-district level, regional level and user level, and has good applicability, versatility and scalability; The supply and demand characteristics of energy are highly abstracted into the balance considerations of energy input and output, and the energy coupling characteristics are described through the elements in the coupling matrix, which realizes the unity of physics and mathematics; 3) The energy hub embodies the idea of ​​energy equivalence, which can The matrix converts the energy coupling quantity into the output of a single energy system, and then realizes the decoupling of the coupled system and simplifies complex problems; 4) This model can not only abstract the existing integrated energy system, but also serve as an energy network The energy autonomous unit or generalized node in the system provides theoretical guidance for the planning and analysis of comprehensive energy systems.

Description

technical field [0001] The invention belongs to the technical field of electric power, and in particular relates to a steady-state modeling method of an integrated energy system based on an energy hub. Background technique [0002] Integrated energy system modeling technology is the basis for studying its power flow state and optimizing its planned operation. The comprehensive energy system can cover various forms of energy such as electricity, gas, heat, and cold, and involves the operation modes, control equipment, and coupling links of different energy systems, including easily controllable energy links (such as conventional power plants, combined cooling, heating, and power systems) , energy storage systems, etc.), and also includes intermittent and difficult-to-control energy links (such as wind power generation, photovoltaic power generation, etc.); it includes not only energy that is difficult to store in large capacity (such as electric energy), but also energy that ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20G06Q50/06G06F113/14G06F119/08G06F119/14
CPCG06Q50/06
Inventor 屈鲁曾嵘余占清袁志昌欧阳斌彭清文
Owner TSINGHUA UNIV
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