Solar battery intermittent output method

A technology for solar cells and solar panels, applied in the field of output, can solve the problem of a large working temperature relationship of solar cell components, and achieve the effect of simple and easy output method, guaranteed maximum, and guaranteed power generation efficiency

Inactive Publication Date: 2015-08-12
NINGBO GAOXIN JUGUANG SOLAR ENERGY
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  • Application Information

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Problems solved by technology

[0006] However, the voltage corresponding to the maximum output power of the solar cell module is basically a known parameter. Although this parameter has a certain relationship with the operating temperature of the solar cell module and the intensity of sunlight, this relationship is simple and widely recognized. Known; this parameter has little relationship with the intensity of incident sunlight, but has a large relationship with the working temperature of the solar cell module

Method used

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  • Solar battery intermittent output method

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Embodiment Construction

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below, obviously, the described embodiments are only some of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] see figure 1 , is a structural schematic diagram of an output circuit for realizing the solar cell intermittent output method of the present invention. The output circuit 100 of the solar cell intermittent output method includes a solar cell panel 1 , a front control device 2 , an energy storage device 3 , a rear control device 4 and a load 5 .

[0023] The output end of the solar cell panel 1 is connected to the input end of the energy storage device 3 . The front control device 2 is arranged between the solar panel...

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Abstract

The invention provides a solar battery intermittent output method. The method comprises a step of providing a solar battery panel, and determining working voltage corresponding to the largest power point of the solar battery panel according to the working temperature of the solar battery panel; a step of providing an energy storage device, wherein an output end of the solar battery panel is connected with an input end of the energy storage device, and setting an upper voltage threshold and a lower voltage threshold according to the working voltage corresponding to the largest power point of the solar battery panel, wherein the working voltage corresponding to the largest power point of the solar battery panel is between the upper voltage threshold and the lower voltage threshold; and a step of providing a rear control device and a load, wherein an output end of the energy storage device is connected with the load and the rear control device is arranged between the energy storage device and the load, determining the relation among voltage of the energy storage device, the upper voltage threshold and the lower voltage threshold, and further determining connection and disconnection between the energy storage device and the load.

Description

technical field [0001] The invention relates to an output method, in particular to an intermittent output method of solar cells. Background technique [0002] The output power of solar cells is closely related to the intensity of sunlight, and its current-voltage characteristics are nonlinear. For example, if a solar cell module is directly connected to a DC load, the supply and demand of electric energy often do not match. When the supply exceeds the demand, the load cannot work normally. When the supply exceeds the demand, electric energy is wasted. The solar cell and the load are not in the best working condition most of the time. [0003] Due to the influence of sunrise, sunset and weather, the instability of solar cell output is essential. Therefore, most of the solar power generation is used in combination with the grid or traditional chemical batteries. With the buffer capacity of the grid or traditional chemical batteries, the solar cells can play The best effect, b...

Claims

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Application Information

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IPC IPC(8): H02S10/20
CPCH02S10/00Y02E10/50Y02E70/30
Inventor 陈大彤
Owner NINGBO GAOXIN JUGUANG SOLAR ENERGY
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