Homogenizing coupling modeling method for multi-energy system

A modeling method and homogenization technology, applied in the field of homogenized coupling modeling of multi-energy systems, can solve problems such as the impact of stable operation of the power grid, and achieve a large amount of information, rapid and convenient model modification, and dynamic modeling process rules. the effect of

Inactive Publication Date: 2017-06-20
CHINA AGRI UNIV
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Due to the randomness and intermittent nature of most renewable energy power generatio

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  • Homogenizing coupling modeling method for multi-energy system
  • Homogenizing coupling modeling method for multi-energy system

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Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0022] Such as Figure 1~2 As shown in the present invention, a homogeneous coupling modeling method for a multi-energy system includes the following steps:

[0023] Step 1. Based on the power bond graph theory, establish a homogeneous coupling model of a multi-energy system. Analyze the basic physical characteristics of various heterogeneous energies. On the basis of the basic physical characteristics of various heterogeneous energies, consider the differences in temporal and spatial distribution characteristics and fluctuation characteristics of various heterogeneous energies, and establish mathematical models for various heterogeneous energies;

[0024] Using the power bond graph theory, starting from the basic principle of energy conservation, through the mathematical models of various heterogeneous energy sources such as wind, light, water, gas, fire, s...

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Abstract

The invention relates to a homogenizing coupling modeling method for a multi-energy system. The method comprises the following steps: establishing a homogenizing coupling model for the multi-energy system on the basis of a power bond graph theory; identifying the key characteristic parameters of the homogenizing coupling model for the multi-energy system; analyzing the precision of the homogenizing coupling model for the multi-energy system on the basis of practical running data; analyzing the applicability of the homogenizing coupling model for the multi-energy system to different typical running scenes and optimizing and adjusting the key characteristic parameters of the homogenizing coupling model for the multi-energy system. The method contains various energy categories and can solve various nonlinear problems; the signal flow direction, the power flow direction and the energy flow direction in the system can be accurately reflected, a system model can be conveniently established by referring to an entity and the system can be subjected to performance analysis; modularization modeling can be performed and the model can be quickly and conveniently modified; the modeling and analyzing problems in various energy forms are treated in a uniform manner in the multi-energy system, so that the method has the characteristics of simple structure, high contained information amount, regular dynamic modeling process, and the like.

Description

technical field [0001] The invention relates to the field of power system operation and control, in particular to a multi-energy system homogeneous coupling modeling method. Background technique [0002] With the gradual depletion of fossil energy and the ensuing environmental problems have become increasingly serious, countries around the world have begun to vigorously develop renewable energy. Due to the randomness and intermittent nature of most renewable energy power generation, large-scale grid integration will have an impact on the stable operation of the grid. [0003] In the modeling and analysis of traditional energy systems, wind, light, water, gas, fire, storage and other energy forms are generally treated separately, and the interaction between different energy sources is often ignored or approximated. Combining various forms of energy such as wind, light, water, gas, fire, storage, etc., overcomes the instability of a single wind power or photovoltaic power gen...

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Application Information

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IPC IPC(8): G06F19/00
CPCG16Z99/00
Inventor 叶林张亚丽张慈杭陈超宇饶日晟么艳香
Owner CHINA AGRI UNIV
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