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Photovoltaic array dynamic configuration optimization system

A photovoltaic array and configuration technology, applied in the field of solar photovoltaic array, can solve difficult problems and achieve low cost

Inactive Publication Date: 2013-06-05
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The control accuracy and stability of configuration optimization depend largely on the size of δV. The δV of the existing technology needs to be updated in real time according to the external environment, which is difficult

Method used

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  • Photovoltaic array dynamic configuration optimization system

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] A photovoltaic array dynamic configuration optimization system, including a connected main circuit and a control circuit, the main circuit includes a fixed part of the photovoltaic array component, a switch matrix, and an adjustable part of the photovoltaic array component, and the fixed part of the photovoltaic array component is connected to the The connection of some photovoltaic array components can be adjusted, and the control circuit includes a main control board, a drive circuit, and a detection circuit;

[0024] The main control board is connected to the fixed part of the photovoltaic array components and the adjustable part of the photovoltaic array components through the driving circuit, the adjustable part of the photovoltaic array components is connected to the main control board through the detection circuit and the protection circuit...

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Abstract

The invention discloses a photovoltaic array dynamic configuration optimization system which comprises a main circuit and a control circuit which are connected with each other. The main circuit comprises a fixed portion photovoltaic array component, a switching matrix, and an adjustable portion photovoltaic array component. The fixed portion photovoltaic array component is connected with an adjustable portion array component through the switching matrix. The control circuit comprises a master control board, a drive circuit and a detection circuit. The master control board is respectively connected with the fixed portion photovoltaic array component and the adjustable portion photovoltaic array component through the drive circuit. The adjustable portion photovoltaic array component is connected with the master control board through the detection circuit and the protective circuit. The fixed portion photovoltaic array component is connected with the master control board through the detection circuit and the protective circuit. According to the photovoltaic array dynamic configuration optimization system, the configuration optimization control strategy is applied to a photovoltaic component level, the photovoltaic array dynamic configuration optimization system is set up based on a digital signal processor (DSP) master control board, automatic update is achieved according to sample data in a real-time mode, cost is low, simplicity and practicality are achieved.

Description

technical field [0001] The invention relates to the technical field of solar photovoltaic arrays, in particular to a dynamic configuration optimization system for photovoltaic arrays. Background technique [0002] As a new energy source, solar energy has the advantages of abundant reserves, wide distribution, clean and environmental protection compared with traditional energy sources. Therefore, its research and application are more and more valued by today's society. [1] . [0003] The series-parallel structure of the traditional photovoltaic array is fixed. When the shadow occurs, the characteristics of the photovoltaic modules in the array will affect each other, resulting in a decrease in the output power of the photovoltaic array. In order to reduce the influence of shadows, making the photovoltaic array automatically adjust its connection mode in real time according to its own working status, that is, dynamic configuration optimization, is an important method to impro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N6/00H02S10/00
CPCY02E10/50
Inventor 陈阿莲冯丽娜杜超张承慧
Owner SHANDONG UNIV
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