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Maximum power tracking method and system of solar photovoltaic battery

A maximum power tracking, photovoltaic cell technology, applied in the field of solar photovoltaic power generation, can solve the problem of difficulty in determining the maximum output power point of solar photovoltaic cells, and achieve the effect of improving power generation efficiency and saving power generation costs

Active Publication Date: 2018-10-02
QINGDAO GAOXIAO INFORMATION IND
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Problems solved by technology

[0005] This application provides a method and system for tracking the maximum power of solar photovoltaic cells, which solves the technical problem that the maximum output power point of existing solar photovoltaic cells is difficult to determine

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  • Maximum power tracking method and system of solar photovoltaic battery

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Embodiment Construction

[0019] The specific implementation manners of the present application will be described in further detail below in conjunction with the accompanying drawings.

[0020] The solar photovoltaic cell maximum power tracking method proposed in this application, such as figure 1 shown, including the following steps:

[0021] Step S11: Receive the collected measuring point data.

[0022] The measuring point data of solar photovoltaic cells is collected by the DCS (Distributed Control System) system, including light intensity, ambient temperature, voltage intensity, current intensity, etc.

[0023] After receiving the measuring point data collected by the DCS system, the measuring point data is converted according to the set unit. Specifically, the setting unit of the light intensity is watts / square meter, the setting unit of the ambient temperature is Celsius, and the setting unit of the voltage intensity is The setting unit is volts, and the setting unit of current intensity is amp...

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Abstract

The invention discloses a maximum power tracking method and system of a solar photovoltaic battery. The method comprises the steps that collected data of a detection point is received; a radial basisfunction neural network is established, and a network model is obtained by performing training by adopting the data of the detected point; an optimization target function of output power is established based on the network model, and the optimal output voltage is calculated based a genetic algorithm; the solar photovoltaic battery is controlled to operate on the optimal output voltage to make thesolar photovoltaic battery to operate on the maximum power point, and therefore the maximum output power of the solar photovoltaic battery can be ensured; the above steps are constantly repeated to make the solar photovoltaic battery operate on the maximum power point all the time, the technical problem of hard to determine of the maximum output power point of the solar photovoltaic battery is solved to facilitate the power generation efficiency of the solar photovoltaic battery, and the power generation cost is saved.

Description

technical field [0001] The invention belongs to the technical field of solar photovoltaic power generation, and in particular relates to a method and system for tracking the maximum power of a solar photovoltaic cell. Background technique [0002] In the development and utilization of new energy, the sun is widely distributed and inexhaustible, and it is a sustainable and clean energy. Photovoltaic power generation technology is a technology that directly converts light energy into electrical energy by using the photovoltaic effect of the semiconductor interface, and has a good development prospect in various solar energy utilization. [0003] In China, the installation of photovoltaic power generation in 2011 increased by about 5 times compared with 2010; by the end of 2015, the cumulative installed capacity of photovoltaic power generation reached about 43 million kilowatts; by the end of 2016, the cumulative installed capacity of photovoltaic power generation reached 77.4...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05F1/67G06N3/04G06N3/12
CPCG05F1/67G06N3/126G06N3/045Y02E10/56Y04S10/50Y02E40/70
Inventor 陈关忠杜长河辜晓川李秀福
Owner QINGDAO GAOXIAO INFORMATION IND
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