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Solar radiation testing method and system thereof

A solar radiation and testing system technology, applied in the field of solar radiation testing methods and systems, can solve the problems of reducing practical value, inability to record and analyze, and achieve the effect of comprehensive and accurate radiation intensity and convenient viewing.

Inactive Publication Date: 2017-04-26
南京国电南自新能源工程技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this kind of portable solar radiation tester can only measure the direct radiation and scattered radiation data of the horizontal plane and inclined plane in the actual use process, and cannot record and analyze it in detail, which reduces its practical value.

Method used

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  • Solar radiation testing method and system thereof
  • Solar radiation testing method and system thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0042] A solar radiation test method, such as figure 1 As shown in the schematic diagram of its structure, first set a number of collection locations 110, respectively set a number of solar cell units to be placed in different collection locations; secondly, perform light attenuation 120, respectively perform light attenuation greater than 20KWh / m 2 on several solar cell units; and then generate The total solar radiation data 130 can be compared, the total solar radiation of several solar cell units is collected, the corresponding current value generated by the solar cell unit is obtained through the sampling circuit and sent to the single-chip microcomputer, and comparable total solar radiation data is generated; real-time positioning 140, the single-chip microcomputer obtains the real-time time and the longitude and the latitude of the collection location respectively from the real-time clock circuit and the GPS module; then the total solar radiation data is stored 150, the t...

Embodiment 2

[0044]A solar radiation testing system, including a positioning device 220 for positioning the longitude and latitude of the geographic location of a solar cell unit; a collection device 210 for collecting the total solar radiation of several solar cell units, and obtaining a solar cell through a sampling circuit The corresponding electric current value that unit produces and transmits to single-chip microcomputer, and generates comparable total solar radiation data; Clock device 230, is used for collecting longitude, latitude of geographical position and obtains real-time time; Storage device 240, comprises storage module, uses For storing the total solar radiation data of several solar battery units; the processing device 250, including a processor, respectively sorts the total solar radiation data from small to large; the positioning device 220 locates the solar battery units, 210 separately collects the total solar radiation of several solar battery units and generates tota...

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Abstract

The invention provides a solar radiation testing method which comprises the steps of (S1) setting a plurality of solar cell units in different collection sites, (S2) carrying out light attenuation larger than 20KWh / m2 on the solar cell units, (S3) collecting the solar total radiation of the plurality of solar cell units, obtaining a corresponding current value generated by the solar cell units through a sampling circuit and transmitting the current value to a single chip microcomputer, and generating solar total radiation data which can be compared, (S4) allowing the single chip microcomputer to obtain real-time time and the longitude and latitude of a sampling site from a real-time clock circuit and a GPS module, (S5) storing the solar total radiation data of the solar cell units through a storage module, and (S6) sorting the solar total radiation data from small to large through a processor.

Description

technical field [0001] The invention relates to the field of new energy, in particular to a solar radiation testing method and system thereof. Background technique [0002] With the rapid growth of photovoltaic system installation capacity, the photovoltaic system operation evaluation system has gradually been established, the most important point of which is the photovoltaic system efficiency evaluation. Photovoltaic system efficiency generally refers to the ratio of actual power generation output to the total amount of radiation reaching the surface of the photovoltaic array. Accurate and rapid measurement of radiation is crucial to the evaluation of photovoltaic system efficiency. [0003] Current solar radiation sensors used for efficiency assessment of photovoltaic systems usually consist of a combined thermopile circuit with a black lacquered receiver on the sensor and a hemispherical glass dome on the bottom. This type of total solar radiation sensor can reflect the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J1/42
CPCG01J1/42G01J2001/4266
Inventor 荣立施俞安高丹邹猛猛王春林
Owner 南京国电南自新能源工程技术有限公司
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