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Wind/light/storage/firewood microgrid optimal configuration method considering meteorological fluctuation characteristic difference typical scene

A technology with fluctuation characteristics and optimized configuration, applied in the electrical field

Active Publication Date: 2019-05-14
NORTHEAST DIANLI UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is: to overcome the shortcomings and deficiencies of the prior art, and to provide a wind / light / storage / firewood micro-grid optimization configuration method that takes into account typical scenarios of differences in meteorological fluctuation characteristics, so as to balance calculation efficiency and calculation accuracy , make up for the lack of representativeness of typical scenarios generated by previous cluster analysis methods, cover the meteorological characteristics of the micro-grid area to the maximum extent, and optimize the configuration of the wind / solar / storage / diesel hybrid system of the micro-grid considering the uncertainty of wind and light

Method used

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  • Wind/light/storage/firewood microgrid optimal configuration method considering meteorological fluctuation characteristic difference typical scene
  • Wind/light/storage/firewood microgrid optimal configuration method considering meteorological fluctuation characteristic difference typical scene
  • Wind/light/storage/firewood microgrid optimal configuration method considering meteorological fluctuation characteristic difference typical scene

Examples

Experimental program
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Effect test

Embodiment 2

[0244] Example 2, as a comparison, Example 2 uses the timing simulation method of the prior art to optimize the configuration of the microgrid, and the configuration results are shown in Table 2:

[0245] Table 2 Configuration results of timing simulation method

[0246]

[0247]

Embodiment 3

[0248] Example 3, as a comparison, Example 3 adopts the typical daily method of the prior art to optimize the configuration of the microgrid, and the configuration results are shown in Table 3:

[0249] Table 2 Typical day method configuration results

[0250]

[0251] Comparing Table 1, Table 2 and Table 3, it can be seen that compared with the typical daily method in the prior art, the typical scene set based on clustering technology can better reflect the changing characteristics of wind and load data, and the configuration results of the typical scene method can Meet the actual operation requirements of the microgrid. Compared with the timing simulation method of the prior art, the typical scene set method effectively reduces the planning data, takes into account the calculation accuracy, and improves the economy of the microgrid's annual operation.

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Abstract

The invention relates to a wind / light / storage / firewood microgrid optimal configuration method considering a meteorological fluctuation characteristic difference typical scene. The method is characterized by comprising the following steps: 1) analyzing wind-light-load time sequence fluctuation difference characteristics; 2) wind-light-load fluctuation characteristic difference and time sequence correlation considering wind-solar load fluctuation characteristic difference and time sequence correlation Generating a charge typical scene set; 3) wind / light / storage / firewood microgrid optimal configuration modeling considering a meteorological fluctuation characteristic difference typical scene, and 4) adopting a teaching and learning optimization algorithm TLBO to solve an optimal configurationscheme for the model in the 3), and has the advantages of scientific and reasonable method, high applicability, good effect, full consideration of speed uncertainty, capability of improving microgridplanning efficiency and the like.

Description

technical field [0001] The invention relates to the electrical field, and is a wind / solar / storage / firewood micro-grid optimization configuration method that takes into account typical scenarios of differences in meteorological fluctuation characteristics, and is applied to distribution generation (DG) planning of micro-grids. Background technique [0002] As my country's energy and environmental issues become increasingly prominent, the construction of microgrids has received more and more attention. The development of micro-grids is conducive to promoting the local production and consumption of clean energy, and reducing the demand for external power in load centers. In the island mode of the microgrid, the distributed power generation (DG) including wind turbines, photovoltaic panels and diesel generators bears all the power load of the microgrid. Due to the intermittent and fluctuating nature of renewable energy, the microgrid only configures Distributed power generation...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06G06N3/00
Inventor 杨冬锋姜超黄南天蔡国伟刘晓军李宏伟杨学航王文婷包佳瑞琪张祎琪吴银银
Owner NORTHEAST DIANLI UNIVERSITY
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