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Photoelectric conversion system

A technology of photoelectric conversion and photoelectric conversion unit, applied in the direction of photovoltaic power generation, photovoltaic modules, electrical components, etc., can solve the problems of increasing the cost of photoelectric converter 900, large output current, low output voltage, etc.

Inactive Publication Date: 2016-02-17
陈大彤
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The photoelectric conversion unit 904 connected in parallel in the photoelectric converter 900 enables the photoelectric converter 900 to reduce the sensitivity to non-uniform illumination and improve its output power under common non-uniform illumination conditions; but its disadvantage is that the photoelectric conversion units connected in parallel The conversion unit 904 has a lower output voltage and a larger output current, which will increase the loss of the output power of the photoelectric converter 900
And a larger output current needs to use a thicker wire to conduct the current, which will increase the cost of the photoelectric converter 900
[0011] However, for non-uniform lighting conditions under specific circumstances, such as lighting with uniform light energy intensity along the first dimension direction and non-uniform light energy intensity along the second dimension direction perpendicular to the first dimension direction, the industry has not yet found Research on photovoltaic power generation by making full use of the non-uniform illumination in this specific situation

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0112] see Figure 18 ,Yesfigure 1 It is a three-dimensional schematic diagram of Embodiment 1 in which the photoelectric converter group 31 and the light guide module 13 cooperate with each other in the photoelectric conversion system 100 shown. In this embodiment, the light guide module 13 is a reflective plate. The light guide module 13 and the photoelectric converter group 31 are generally plate-shaped as a whole, and they are arranged at an angle. The reflecting plate receives the light beam from the light source 11 , and reflects the light beam towards the surface of the photoelectric converter group 31 .

[0113] Wherein, the photoelectric converter group 31 can receive the light beam directly provided by the light source 11 , or can receive the light beam reflected by the light guide module 13 . Please refer to Figures 19a-19d ,Yes Figure 18 The side schematic diagrams of the photoelectric converter group 31 and the light guide module 13 under different lighting ...

Embodiment 2

[0128] see Figure 20 ,Yes figure 1 It is a three-dimensional schematic diagram of Embodiment 2 in which the photoelectric converter group 31 and the light guide module 23 cooperate with each other in the photoelectric conversion system 100 shown. In this embodiment, the light guide module 23 is a reflective plate. The light guide module 23 includes a first reflector 231 and a second reflector 233, and the first reflector 231 and the second reflector 233 are symmetrically arranged on two opposite sides of the photoelectric converter group 31, respectively. side. Both the first reflection plate 231 and the second reflection plate 233 can receive the light beam from the light source 11 , and reflect the light beam to transmit to the surface of the photoelectric converter group 31 .

[0129] The photoelectric converter group 31 can receive the beam directly provided by the light source 11 , or receive the beam reflected by the first reflector 231 and the second reflector 233 ....

Embodiment 3

[0132] see Figure 21 ,Yes figure 1 It is a three-dimensional schematic diagram of Embodiment 3 in which the photoelectric converter group 31 and the light guide module 43 cooperate with each other in the photoelectric conversion system 100 shown. In the photoelectric conversion module 1 provided in this embodiment, the light guide module 43 is a refraction plate. The refraction plate receives the light beam from the light source 11 , refracts the light beam and transmits it toward the surface of the photoelectric converter group 31 . The refraction plate may be a refraction plate including a Fresnel lens or an ordinary transparent mirror.

[0133] Preferably, the light guide module 43 may be a condensing lens, that is, a refraction plate with a light condensing function. The condensing lens receives the light beam from the light source 11 , condenses the light beam and transmits it to the photoelectric converter group 31 . Moreover, according to the degree of overlapping ...

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Abstract

The invention discloses a photoelectric conversion system. The photoelectric conversion system comprises an optical energy output device, a photoelectric conversion array and an electric energy transmission device. The optical energy output device outputs optical energy. In a set plane, intensity of optical energy is uniformly distributed along a first dimension direction of the set plane and is non-uniformly distributed along a second dimension direction perpendicular to the first dimension direction of the set plane. The photoelectric conversion array comprises multiple photoelectric conversion unit band groups. Each photoelectric conversion unit band group comprises multiple photoelectric conversion unit bands which are electrically connected. Each photoelectric conversion unit band is parallel to the first dimension direction and receives optical energy generated by the optical energy output device. The electric energy transmission device comprises multiple inverters. The multiple inverters are correspondingly electrically connected with the multiple photoelectric conversion unit band groups respectively and independently transmit electric energy generated by each photoelectric conversion unit band group to a power grid respectively.

Description

technical field [0001] The invention belongs to the field of photoelectric conversion, and in particular relates to a photoelectric conversion system. Background technique [0002] As we all know, sunlight is everywhere. In view of the inexhaustible light energy corresponding to sunlight, there are more and more projects using sunlight to realize energy utilization. Supply plays an increasingly important role. [0003] see figure 1 , is a schematic diagram of a system framework for converting light energy to electrical energy using sunlight. The system for converting light energy to electric energy by utilizing sunlight mainly includes a light energy supply element 61 , a photoelectric converter 62 and an electric energy output device 63 . [0004] The light energy providing element 61 , that is, the sun, or optically treated sunlight, or a secondary radiation source radiates light, and transmits light energy to the photoelectric converter 62 . The photoelectric converte...

Claims

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Application Information

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IPC IPC(8): H02S40/20H02S40/30
CPCH02S40/00Y02E10/50
Inventor 陈大彤
Owner 陈大彤
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