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Method and system for tracking maximum power point of solar street lamp based on cloud evolution

A maximum power point, tracking solar energy technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of low tracking efficiency and slow response speed, to improve accuracy, reduce costs, and improve unit utilization. rate effect

Inactive Publication Date: 2016-12-07
TAIHUA WISDOM IND GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In view of this, the present invention provides a method and system for tracking the maximum power point of solar street lamps based on cloud evolution, which solves the problems of low tracking efficiency and slow response speed in the currently commonly used maximum power point tracking method

Method used

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  • Method and system for tracking maximum power point of solar street lamp based on cloud evolution
  • Method and system for tracking maximum power point of solar street lamp based on cloud evolution
  • Method and system for tracking maximum power point of solar street lamp based on cloud evolution

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Embodiment 1

[0067] like figure 2 As shown, it is a schematic flowchart of the method for tracking the maximum power point of solar street lamps based on cloud evolution described in this embodiment. The method for tracking the maximum power point of solar street lamps based on cloud evolution described in this embodiment includes the following steps:

[0068] Step 201, setting the number of iterations required for cloud evolution and the cloud variation algebra threshold in cloud evolution on the controller.

[0069] like image 3 As shown, it is a flowchart of the cloud evolution algorithm described in this embodiment, and the existing cloud evolution algorithm includes the following steps:

[0070] Step 301, initialize the population;

[0071] Step 302, performing fitness calculation on the initialized population;

[0072] Step 303, judging whether the set number of iterations of cloud evolution computing has been completed;

[0073] Step 304, when the set number of iterations of ...

Embodiment 2

[0099] like Figure 5 As shown, it is a schematic flowchart of the method for tracking the maximum power point of solar street lamps based on cloud evolution described in this embodiment. The method for tracking the maximum power point of solar street lamps based on cloud evolution described in this embodiment, on the basis of Embodiment 1, describes the specific content of performing cloud evolution to determine the maximum power point of solar street lamps. The method includes the following steps:

[0100] Step 501 , setting the number of iterations required for cloud evolution and the cloud variation algebra threshold in cloud evolution on the controller.

[0101] Step 502, randomly generate a population of solar cells through an initialization operation.

[0102] For a solar cell, an output voltage value V0 is randomly generated by the controller between 0 and the open circuit voltage Voc, indicating an output state of the solar cell. This voltage value V0 is an individual...

Embodiment 3

[0129] like Image 6 As shown, it is a schematic structural diagram of the system for tracking the maximum power point of solar street lamps based on cloud evolution in this embodiment. The system for tracking the maximum power point of solar street lamps based on cloud evolution described in this implementation includes: a setting module 601 , an initialization module 602 , a population update module 603 , a population individual update module 604 and a cloud evolution processing module 605 .

[0130] Wherein, the setting module 601 is coupled with the initialization module 602, and is used to set the number of iterations required for cloud evolution and the cloud variation algebra threshold in cloud evolution on the controller;

[0131] The initialization module 602 is coupled to the setting module 601 and the population update module 603, and is used for the controller to randomly generate a population of solar cells through an initialization operation;

[0132] The popula...

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Abstract

The invention discloses a method for tracking a maximum power point of a solar street lamp based on cloud evolution. The method comprises the following steps: setting a set iteration number needing to carry out the cloud evolution and a cloud variation algebraic threshold in the cloud evolution on a controller; randomly generating a population of solar cells; obtaining a predetermined number of individuals in the population according to the power of the individuals from large to small, and carrying out cloud evolution calculation to obtain an updated population; carrying out cloud evolution update on the individuals in the updated population; when the evolution algebra of the cloud evolution update is less than the cloud variation algebraic threshold, updating the cloud evolution update individuals again by adopting the cloud evolution; when the evolution algebra of the cloud evolution update is less than the set iteration number and reaches or exceeds the cloud variation algebraic threshold, carrying out a cloud variation operation on the cloud evolution update individuals, and adopting the cloud evolution to update the obtained individuals of a variant population; and when the evolution algebra of the cloud evolution update reaches or exceeds the set iteration number, obtaining the maximum output power point of the solar cells. By adopting the method disclosed by the invention, the maximum power point of the solar street lamp can be accurately tracked.

Description

technical field [0001] The present invention relates to the technical field of tracking and controlling the power of solar street lamps, and more specifically, to a method and system for tracking the maximum power point of solar street lamps based on cloud evolution. Background technique [0002] Nowadays, green energy has become an important research topic, and solar energy, which is a representative of green energy, has also attracted widespread attention. With the maturity of solar technology, the application of solar street lamps is becoming more and more extensive. Although as a green energy source, solar street lights can provide people with continuous energy supply, but compared with traditional street lights, the high cost of solar street lights greatly limits its application and promotion. In solar street lights, the cost of manufacturing solar cells often accounts for more than half of the total cost. Therefore, how to improve the unit utilization rate of solar ce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F19/00G06N3/00
CPCG06N3/006G16Z99/00
Inventor 侯绪彬王淑平马述杰李亮报宋春雷赵吉祥许孝刚张坤朱明
Owner TAIHUA WISDOM IND GRP CO LTD
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