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Intelligent distributed maximum generation power point tracking coordination control system

A technology for coordinating control systems and maximum power points, applied in control/regulation systems, photovoltaic power generation, electrical components, etc.

Inactive Publication Date: 2011-11-02
NANKAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of this invention is to solve the problem that the existing wind-solar hybrid power generation system cannot effectively realize the maximum power tracking of solar energy and wind energy at the same time, and to provide a distributed power generation maximum power point Tracking intelligent coordination control system

Method used

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  • Intelligent distributed maximum generation power point tracking coordination control system

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Embodiment 1

[0027] Such as figure 1 As shown, the distributed generation maximum power point tracking intelligent coordinated control system provided by the present invention includes a distributed power source 1 composed of solar cells and wind generators, a maximum power tracking coordinated control circuit 2, a DSP control 3 and a sensor 4.

[0028] Such as figure 2 As shown, the maximum power tracking coordinated control circuit includes a photovoltaic DC / DC unit 21, a wind power DC / DC unit 22 and three intelligent control switches 23 to 25, and the input end of the wind power DC / DC unit passes through the first intelligent control switch 25 is connected to the wind power generator 12, the output end of the wind power DC / DC unit is connected to the bus bar through the second intelligent control switch 24, the input end of the photovoltaic DC / DC unit is connected to the solar cell 11, and the photovoltaic DC / DC unit is connected to the solar cell 11. The output terminal of the / DC u...

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Abstract

The invention discloses an intelligent distributed maximum generation power point tracking coordination control system, which comprises a distributed power supply, a maximum power tracking coordination control circuit, a digital signal processor (DSP) control system and sensors, wherein the distributed power supply consists of solar cells and a wind driven generator; the maximum power tracking coordination control circuit consists of a photovoltaic DC / DC unit, a wind DC / DC unit and three intelligent control switches; the input end of the wind DC / DC unit is connected with the wind driven generator by a first intelligent control switch, and the output end of the wind DC / DC unit is connected with a bus by a second intelligent control switch; the input end of the photovoltaic DC / DC unit is connected with the solar cells, and the output end of the photovoltaic DC / DC unit is connected with the bus by a third intelligent control switch; simultaneously, the first and second intelligent control switches are connected with each other; and the DSP control system is connected with the photovoltaic DC / DC unit, the wind DC / DC unit and the three intelligent control switches in the maximum power tracking coordination control circuit respectively. The system provides a maximum power point tracking coordination control way in which a variable circuit structure is adopted, and can change the connection mode of a conventional wind / solar hybrid power generation system according to the amplitude change of a bus voltage to maximally develop the efficiency of new energy sources.

Description

technical field [0001] The invention relates to an intelligent coordinated control system for the maximum power point of wind-solar complementary power generation in a new type of distributed power supply, which is mainly used in independent and grid-connected distributed power generation systems, and belongs to the technical field of new energy and automatic control. Background technique [0002] As a widely distributed new energy source, solar energy and wind energy have the advantages of being inexhaustible and inexhaustible, and will not pollute the environment. They can be matched with conventional power structures and have become sustainable new energy sources for governments of all countries. first choice. Although they have random characteristics that change with changes in wind speed and sunlight intensity, solar and wind energy have natural complementary advantages, which improves the stability of the system compared to a single power generation method. [0003] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J9/00G05F1/67
CPCY02E10/58Y02E10/56
Inventor 赵庚申赵耀程如歧郭天勇赵星宇
Owner NANKAI UNIV
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