GB/T 37240-2018 English PDF

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GB/T 37240-2018: Test and evaluation methods for light transmission property of cover glass for crystalline silicon photovoltaic module
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 37240-2018	199	Add to Cart	3 days	Test and evaluation methods for light transmission property of cover glass for crystalline silicon photovoltaic module	Valid

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Basic data

Standard ID: GB/T 37240-2018 (GB/T37240-2018)
Description (Translated English): Test and evaluation methods for light transmission property of cover glass for crystalline silicon photovoltaic module
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q37
Classification of International Standard: 81.040.30
Word Count Estimation: 10,194
Date of Issue: 2018-12-28
Date of Implementation: 2019-07-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 37240-2018: Test and evaluation methods for light transmission property of cover glass for crystalline silicon photovoltaic module

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Test and evaluation methods for light transmission property of cover glass for crystalline silicon photovoltaic module ICS 81.040.30 Q37 National Standards of People's Republic of China Crystalline silicon photovoltaic module cover Glass light transmission performance test evaluation method Published on.2018-12-28 2019-07-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of the contents of this document may involve patents. The issuing organization of this document is not responsible for identifying these patents. This standard is proposed and managed by the National Technical Committee for Quality Supervision of Key Products Inspection Methods (SAC/TC374). This standard was drafted. Zhejiang Institute of Quality Inspection Science, Follett Glass Group Co., Ltd., China Inspection Warner (Beijing) Technology Center Co., Ltd., China Inspection Alliance (Beijing) Quality Inspection Technology Research Institute Co., Ltd., Xinyi Photovoltaic Industry (Anhui) Holdings Co., Ltd. Zhejiang Jingke Energy Co., Ltd., DSM (China) Co., Ltd., National Solar Photovoltaic Product Quality Supervision and Inspection Center, Jiaxing Products Quality Inspection and Testing Institute, Changzhou Amarton Co., Ltd., Beijing Aobotai Technology Co., Ltd., Zhejiang Fangyuan Testing Group Co., Ltd. the company. The main drafters of this standard. Han Yangang, Chen Hongbo, Yan Hongliang, Liu Xiaorong, Liu Yafeng, Zhu Hongjun, Gu Hang, Tao Hongqiang, Chen Jiancai, Wu Guoxiang, Wang Guoxiang, Bao Jun, Huang Daquan, Hu Guobo, Wang Xiaoliang, Dan Yanyan, Yuan Jing. Crystalline silicon photovoltaic module cover Glass light transmission performance test evaluation method

1 Scope

This standard specifies the test conditions, test procedures, parameter calculations, and light transmission properties of the translucent performance test of the crystalline silicon photovoltaic module cover glass. Evaluation rating and test report. This standard is applicable to cover glass for crystalline silicon photovoltaic modules. Other glass for photovoltaic modules can also refer to this standard.

2 Terms and definitions

The following terms and definitions apply to this document. 2.1 Photovoltaic transmittance photovoltaictransmittance The direct transmittance of sunlight in the response range of the crystalline silicon photovoltaic cell in the range of 380 nm to 1100 nm. 2.2 Photovoltaic characteristic transmittance The direct transmittance of sunlight in a specific wavelength range of 500 nm to 900 nm with a high spectral response in a crystalline silicon photovoltaic cell.

3 test conditions

3.1 Instrument 3.1.1 The instrument shall contain the following parts. --- Stable light source system; --- Monochromator; --- A system capable of producing parallel light of the same wavelength and intensity; ---Photodetector; ---Integral ball. 3.1.2 The wavelength range of the instrument should include 380nm~1100nm. 3.1.3 The wavelength accuracy of the instrument does not exceed 1 nm. 3.1.4 The photometric accuracy of the instrument should not exceed 1%, and the repeatability should not exceed 0.5%. 3.1.5 The angle between the optical axis of the illumination beam and the normal of the sample surface does not exceed 10°, and the angle between any light in the illumination beam and the optical axis does not exceed 3°. The spot that strikes the surface of the sample should cover more than 10 micropattern cycles. 3.1.6 It is advisable to use an integrating sphere of not less than 150 mm. The sum of the areas of the opening of the integrating sphere should be less than 4% of the internal surface area of the integrating sphere. 3.1.7 The distance between the sample and the integrating sphere entrance is not more than 2mm. 3.2 Test environment The test temperature should be in the range of 18 ° C ~ 28 ° C, the relative humidity should be less than 70%, should be away from vibration. Sample conditioning time before test Not less than 2h. 3.3 Sample Test the product as a sample or a sample of 300mm×300mm with the same raw materials and the same process conditions as the product. ......

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