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Method and system for reconstructing photovoltaic array based on multi-target myxobacteria optimization algorithm

A photovoltaic array and optimization algorithm technology, applied in the field of power system control, can solve the problems that the photovoltaic array reconstruction method cannot be realized

Active Publication Date: 2021-08-17
YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST
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Problems solved by technology

Since this method has risen to become a complex nonlinear optimization problem, the existing photovoltaic array reconfiguration method cannot achieve

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  • Method and system for reconstructing photovoltaic array based on multi-target myxobacteria optimization algorithm
  • Method and system for reconstructing photovoltaic array based on multi-target myxobacteria optimization algorithm
  • Method and system for reconstructing photovoltaic array based on multi-target myxobacteria optimization algorithm

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[0051] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the 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 application.

[0052] like figure 1 As shown, it is a schematic flowchart of a method for reconstructing a photovoltaic array based on a multi-objective slime mold optimization algorithm provided by an embodiment of the present application. The method for reconstructing a photovoltaic array based on a multi-objective slime mold optimization algorithm i...

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Abstract

The invention belongs to the technical field of power system control, and provides a method and a system for reconstructing a photovoltaic array based on a multi-target myxobacteria optimization algorithm. The method for reconstructing the photovoltaic array based on the multi-target myxobacteria optimization algorithm comprises the steps of acquiring light irradiance of each array unit of the photovoltaic array under local shadow, establishing a photovoltaic array model, utilizing the multi-target myxobacteria optimization algorithm to carry out multiple iterations on all myxobacteria positions, and in each iteration, according to the current position, obtaining the output power of the photovoltaic array by each myxobacteria, updating the two fitness degrees, obtaining all the colistis of the last iteration, screening all the high-quality colistis from the colistis, selecting one colistis from the high-quality colistis by using a comprehensive evaluation index weight method, and restoring the position of the colistis into a reconstruction scheme of the photovoltaic array. According to the method for reconstructing the photovoltaic array based on the multi-target myxobacteria optimization algorithm, the photoelectric conversion efficiency of the photovoltaic array is improved, and the method can better participate in secondary frequency modulation of a power grid.

Description

technical field [0001] The application belongs to the technical field of power system control, and specifically relates to a method and system for reconstructing a photovoltaic array based on a multi-objective slime mold optimization algorithm. Background technique [0002] In the current world, due to the increasing demand for energy and the declining reserves of fossil energy, renewable energy has attracted more and more attention and gradually replaced most fossil fuels. One of the most promising energy sources is solar energy. Photovoltaic array, as the most commonly used device for harvesting solar energy, the power loss caused by its partial shading will lead to a significant reduction in the energy output of the photovoltaic array. [0003] Under the grid system, photovoltaic arrays are often used to participate in the secondary frequency regulation of the grid. However, partial shading not only leads to power loss, but also affects the response performance of the se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/27G06F17/16G06N3/00G06Q10/06G06Q50/06G06F111/04G06F111/06G06F113/04
CPCG06F30/27G06F17/16G06N3/006G06Q10/06393G06Q50/06G06F2111/06G06F2111/04G06F2113/04
Inventor 何廷一杨博李胜男马红升吴水军
Owner YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST
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