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Optimized power flow calculation method based on multi-energy coupling model

A technology of power flow calculation and coupled models, applied in calculation, complex mathematical operations, instruments, etc., can solve problems such as poor practical operability and applicability, local optimum of intelligent optimization algorithm, and large amount of calculation

Active Publication Date: 2019-08-27
常州天合智慧能源工程有限公司
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Problems solved by technology

[0008] The above two methods of using intelligent optimization algorithms to solve scheduling schemes may bring about two problems. One is that intelligent optimization algorithms generally have the disadvantage that they may fall into local optimum; poor

Method used

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  • Optimized power flow calculation method based on multi-energy coupling model
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  • Optimized power flow calculation method based on multi-energy coupling model

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Embodiment 1

[0093] There are many multi-energy complementary energy Internets composed of various forms of energy. The present invention uses figure 1 The shown multi-energy complementary energy Internet structure including electricity, heat and cold energy is taken as an example, and the technical solution is explained in detail.

[0094] An optimized power flow calculation method based on a multi-energy coupling model, such as figure 1 As shown, it includes the following equipment: multi-energy coupling equipment such as electric energy equipment, thermal energy equipment, and cold energy equipment. Among them, multi-energy coupling equipment includes CCHP systems, electric refrigeration equipment, and electric heating equipment; electric energy equipment includes distributed DG (such as photovoltaics, fans, diesel generators, gas turbines, etc.), distributed energy storage, electric vehicle charging piles, and traditional Power distribution equipment (such as transformers, feeder se...

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Abstract

The invention discloses an optimized power flow calculation method based on a multi-energy coupling model. The method comprises the following steps of establishing a multi-energy coupling model covering a power grid model, a heat supply network model and a cold network model based on CIM standard model expansion; determining optimal operation conditions of the electric energy equipment, the heat energy equipment and the cold energy equipment under different operation scheme modes to serve as input for optimizing load flow calculation; and determining the output of each source end device and the energy flow distribution of each energy network through the optimized power flow calculation. According to the method, the multi-energy complementary energy internet model is constructed, complementation of different energy sources is achieved through modeling of the multi-energy coupling equipment, and the method is easy and convenient to calculate, high in operability and high in practical application value.

Description

technical field [0001] The invention belongs to the technical field of energy, and in particular relates to an optimized power flow calculation method based on a multi-energy coupling model. Background technique [0002] At present, the energy industry is facing problems such as prominent contradictions between supply and demand and ecological environment pollution. In order to improve energy utilization and conversion efficiency of various energy sources, more and more attention has been paid to multi-energy complementary energy Internet-related technologies at home and abroad. The multi-energy complementary energy Internet integrates the production, transmission, conversion, distribution, and consumption of various energy sources such as electricity, heat, cold, and gas, so as to realize the economic dispatch of electricity, heat, cold, and gas. On the one hand, the structure of the multi-energy complementary energy Internet can provide users with various forms of energy s...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/11G06Q10/04G06Q50/06
CPCG06F17/11G06Q10/04G06Q50/06Y04S10/50Y02E40/70
Inventor 荀挺丁晓辰雷胜华方斌黄凯于博于朋
Owner 常州天合智慧能源工程有限公司
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