Heat supply network equivalent modeling method

A heating pipe network and equivalent modeling technology, applied in the field of efficient modeling, can solve the problems of the complex topology of the heating pipe network, the inability to meet the requirements of rapid calculation, and the huge amount of calculation, so as to simplify the topology and realize The effect of simplifying and checking, improving calculation speed and accuracy

Active Publication Date: 2017-05-10
CHINA ELECTRIC POWER RES INST +2
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  • Abstract
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Problems solved by technology

[0004] However, the heating pipe network has a complex topology. Facing the modeling of such a complex system, a huge amount of calculation is required, and the existing technology cannot meet the fast calculation requirements.

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Embodiment Construction

[0050] The present invention will be further described in detail below in conjunction with the drawings. In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0051] Such as figure 1 Shown are the specific implementation steps of the method of the present invention. First, based on heat transfer, fluid mechanics principles, and dynamic system modeling methods, based on fluid network modeling t...

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Abstract

The invention provides a heat supply network equivalent modeling method. The method comprises the steps of building a centralized heat supply primary pipe network system mathematical model according to a fluid network modeling technology; performing equivalent aggregation on the built mathematical model so as to acquire a model parameter; and checking whether deviation exists or not between the model parameter and measured data. The modeling method provided by the invention is based on heat transfer and fluid mechanics principles and a power system, and the mathematical model built based on the fluid network modeling technology conforms to physical characteristics of an actual heat supply network; simplification and checking for a large complex heat supply system model are realized through topological structure simplification, key parameter identification and field measured data, and the calculation speed and the accuracy of a heat-power joint optimization model are improved.

Description

Technical field [0001] The invention belongs to the field of power systems, and specifically relates to an equivalent modeling method for a heating pipe network. Background technique [0002] With the gradual depletion of fossil fuels and the gradual emergence of the problem of comprehensive optimization and adjustment of the energy structure, countries in the world are increasingly aware of the development of new energy. As the representative of the most developed renewable energy power generation, wind power has received more and more attention in recent years, and its development and utilization have developed rapidly. However, because the output of wind power depends on the wind, it is unstable in time and uneven in space. The characteristics of randomness and volatility, as well as anti-peak shaving, make the problem of wind power consumption more prominent, and the phenomenon of wind abandonment is common and serious. [0003] The heating in some high latitude areas is mainl...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B17/02G06F17/50
CPCG05B17/02G06F30/20
Inventor 许彦平王伟胜刘纯黄越辉王跃峰曹阳孙勇许晓艳马烁礼晓飞张楠王晶潘霄峰
Owner CHINA ELECTRIC POWER RES INST
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