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Experimental device and method for tracking photovoltaic maximum power based on immune genetic algorithm

An immune genetic algorithm and maximum power tracking technology, which is applied in photovoltaic power generation, instruments, regulating electrical variables, etc., can solve the problems of misjudgment of disturbance observation method, inability to track the maximum power point, etc., and achieve fast response speed and good tracking effect. , the effect of maximizing output power

Inactive Publication Date: 2015-05-20
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology

[0004] The traditional perturbation and observation method is only applicable to the situation without shadows. When partial shadows appear on the photovoltaic array, the power output curve changes from single peak to multi-peak. At this time, the perturbation and observation method will cause misjudgment and cannot track the maximum power point.

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  • Experimental device and method for tracking photovoltaic maximum power based on immune genetic algorithm
  • Experimental device and method for tracking photovoltaic maximum power based on immune genetic algorithm
  • Experimental device and method for tracking photovoltaic maximum power based on immune genetic algorithm

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Embodiment Construction

[0029] The preferred embodiments will be described in detail below in conjunction with the accompanying drawings.

[0030] An experimental setup for photovoltaic maximum power tracking based on immune genetic algorithm, such as figure 1 As shown, including: solar panels, batteries, controllers, power devices, loads, and monitoring platforms;

[0031] Among them, the solar panel is connected to the load through the controller, the power device in turn, the battery and the monitoring platform are connected to the controller respectively, and the voltage sensor, current sensor, temperature sensor and radiation sensor installed on the solar panel are respectively connected to the monitoring platform. Send the voltage, current, temperature and radiation signal of the solar panel to the monitoring platform, and display the voltage, current, power, temperature and radiation of the solar panel through the computer on the monitoring platform;

[0032] The output terminals of the volta...

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Abstract

The invention belongs to the field of photovoltaic power generation experimental devices and particularly relates to an experimental device and method for tracking photovoltaic maximum power based on an immune genetic algorithm. The experimental device comprises a solar cell panel, a storage battery, a controller, a power component, a load and a monitoring platform; a voltage sensor, a current sensor, a temperature sensor and a radiation quantity sensor transmit signals of voltage, current, temperature and radiation quantity of the solar cell panel to the monitoring platform, and the voltage, the current, power, the temperature and the radiation quantity of the solar cell panel are displayed through a computer on the monitoring platform; output ends of the voltage sensor and the current sensor are connected with the controller, and the controller figures out a maximum power point and the voltage through a self-adaption immune genetic algorithm, outputs a PWM signal to the power component, generates disturbance voltage by changing duty ratio of the PWM signal and controls the output of the solar cell panel to reach the maximum power point.

Description

technical field [0001] The invention belongs to the field of photovoltaic power generation experimental devices, in particular to an experimental device and method for photovoltaic maximum power tracking based on immune genetic algorithm. Background technique [0002] With the limitation of conventional energy and the increasingly prominent environmental problems, the new energy with the characteristics of environmental protection and renewable has been paid more and more attention by the governments of various countries. As a new energy source, solar energy has great potential. Photovoltaic power generation is the main form of utilizing solar energy and has broad application prospects. Through the establishment of experimental devices, revealing the principle and working process of photovoltaic power generation is of great significance for cultivating the practical skills of undergraduates and graduate students who will be engaged in electric power in the future. [0003] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05F1/67
CPCY02E10/56
Inventor 杨锡运杨国田刘禾陆会明李新利武晓宁
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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