GB/T 33677-2017 English PDF

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GB/T 33677-2017: Classification of solar energy resources -- Direct radiation
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 33677-2017	119	Add to Cart	3 days	Classification of solar energy resources -- Direct radiation	Valid

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Basic data

Standard ID: GB/T 33677-2017 (GB/T33677-2017)
Description (Translated English): Classification of solar energy resources -- Direct radiation
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A47
Classification of International Standard: 07.060
Word Count Estimation: 6,620
Date of Issue: 2017-05-12
Date of Implementation: 2017-12-01
Quoted Standard: GB/T 31155
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the level of solar energy (direct radiation). This standard applies to the evaluation and division of solar direct radiation resources.

GB/T 33677-2017: Classification of solar energy resources -- Direct radiation

---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.
Classification of solar energy resources - Direct radiation ICS 07.060 A47 National Standards of People's Republic of China Solar energy level direct radiation 2017-05-12 released 2017-12-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the China Meteorological Administration. This standard by the National Climate and Climate Change Standardization Technical Committee of wind energy solar climate resources sub-technical committee (SAC/TC540 / SC2). The drafting of this standard. China Meteorological Administration Public Weather Service Center, China Meteorological Administration of wind energy solar energy resources center. The main drafters of this standard. Shen Yambo, Zhao Dong, Guo Peng, Wang Xiangyun. Solar energy level direct radiation

1 Scope

This standard specifies the level of solar energy (direct radiation). This standard applies to the evaluation and division of solar direct radiation resources.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 31155 solar energy grade total radiation

3 terms and definitions

The following terms and definitions apply to this document. 3.1 Direct radiation directsolarradiation From the surface and its surrounding a small solid angle emitted within the radiation. Note. rewrite GB/T 31163-2014, defined 5.11. 3.2 Direct direct radiation Direct radiation received on a plane perpendicular to the sun's rays. Note. From the numerical point of view, direct radiation and direct radiation is the same; the difference between the two is that direct radiation is defined from the perspective of the sun, the law Direct radiation is defined from the perspective of the receiving plane. In the field of solar energy resources, commonly used to direct the direct radiation of the term to distinguish between the horizontal straight Then radiation. [GB/T 31163-2014, definition 5.12] 3.3 Direct radiation of direct radiation Direct radiation received on the horizontal plane. Note 1. The relationship between the direct direct radiation and the direct radiation of the horizontal plane is. DH = DN · sinh = DN · cosθz, where DH is the direct radiation of the horizontal plane, DN is Normal direct radiation, h for the sun height angle, θz for the sun zenith angle. Note 2. rewrite GB/T 31163-2014, definition 5.13. 3.4 Total radiation globalsolarradiation The sum of the direct radiation and the scattered radiation received by the horizontal plane from the upper 2π solid angle range. [GB/T 31163-2014, definition 5.15] 3.5 Irradiance irradiance Objects in the unit time, the unit area to receive the radiation energy. ......

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