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Solar photovoltaic generation system

A technology of power generation system and solar panel, applied in the field of solar power generation, can solve the problem of high price/cost

Inactive Publication Date: 2010-08-04
WUHAN UNIV
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Problems solved by technology

Due to the different characteristics of the material itself, the photoelectric conversion efficiency of monocrystalline silicon solar cells is the highest, but at the same time its price / cost is the highest; although the cost of amorphous silicon solar cells is the lowest, its photoelectric conversion efficiency is only lower than that of monocrystalline silicon solar cells. half of

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Embodiment Construction

[0016] According to the difference in spectral response of crystalline silicon solar cells and amorphous silicon solar cells, the present invention proposes to use frequency division technology to separate the spectra that respond efficiently to crystalline silicon solar cells and amorphous silicon solar cells, and use crystalline silicon solar cells and amorphous silicon solar cells respectively Crystalline silicon solar cells receive and convert electricity. Compared with a single crystalline silicon solar cell and an amorphous silicon solar cell for power generation, this power generation device can not only increase the power generation time, improve the utilization rate of solar energy, but also reduce the cost. In order to further reduce expensive solar panels, save costs, and improve the efficiency of solar cells, the present invention also proposes the use of an equal-intensity plane mirror and total reflection concentrator structure to uniformly collect sunlight.

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Abstract

The invention relates to a solar photovoltaic generation system. The system comprises a reflection condenser, a light frequency division diplexer, a crystalline silicon solar panel and an amorphous silicon solar panel, wherein the reflection condenser is used for uniformly reflecting and condensing the full solar spectrum; the light frequency division diplexer is used for high transmitting the spectrum generated by a crystalline silicon solar cell and high reflecting the spectrum generated by an amorphous silicon solar cell; the crystalline silicon solar panel and the amorphous silicon solar panel respectively receive the respective sensitive solar spectrum and convert into electrical energy; and the crystalline silicon solar panel and the amorphous silicon solar panel are connected in parallel to supply power to a load. The invention has the characteristics of uniform light energy condensation, high energy utilization efficiency, long generation duration, large generating capacity, easy processing and mass production, lower cost and the like, and has favorable application prospects in the development and the utilization of new clean energy.

Description

technical field [0001] The invention relates to the field of solar power generation, in particular to a solar photovoltaic power generation system that utilizes sunlight to generate power through frequency division. Background technique [0002] As an "inexhaustible and inexhaustible" carbon-free energy source, solar energy has no greenhouse gas emissions and no environmental pollution. In the era when people advocate low-carbon economy and face energy crisis, solar photovoltaic power generation has a good environment Benefits and social effects, it is one of the most ideal new energy sources in the 21st century. [0003] Solar photovoltaic power generation is a way to utilize solar energy, which can directly convert solar energy into electrical energy. At present, the leading product in the world's photovoltaic market is silicon series solar cells, which have the most mature technology and process. It includes monocrystalline silicon solar cells, polycrystalline silicon s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N6/00H01L31/052G02B5/28G02B19/00H02S40/22
CPCY02E10/52Y02E10/50
Inventor 高火涛高可至
Owner WUHAN UNIV
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