Comprehensive energy system steady-state modeling method based on energy concentrator

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

Active Publication Date: 2019-11-26
TSINGHUA UNIV
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Problems solved by technology

However, the unified modeling method of the integrated energy system is still lacking at present, maki

Method used

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  • Comprehensive energy system steady-state modeling method based on energy concentrator
  • Comprehensive energy system steady-state modeling method based on energy concentrator
  • Comprehensive energy system steady-state modeling method based on energy concentrator

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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 particularly relates to an integrated energy system steady-state modeling method based on an energy concentrator. The innovation ofthe method is as follows: 1) the method can be used for analyzing trans-regional, regional and user-level comprehensive energy systems, and has better applicability, universality and expandability; 2)the supply and demand characteristics of various energy sources are highly abstracted into energy source input and output balance consideration, and energy source coupling characteristics are described through elements in a coupling matrix, so that unification of physics and mathematics is realized; 3) the energy concentrator reflects the idea of energy equivalence, the energy coupling quantity can be converted into the output of a single energy system through an energy matrix, the decoupling of the coupling system is further realized, and the complex problem is simplified; and 4) the model not only can perform abstract modeling on the existing comprehensive energy system, but also can be used as an energy autonomous unit or a generalized node in an energy network to provide theoretical guidance for planning analysis of the comprehensive energy system.

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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IPC IPC(8): G06F17/50G06Q50/06
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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