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GB/T 31155-2014: Classification of solar energy resources -- Global radiation
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Classification of solar energy resources -- Global radiation
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GB/T 31155-2014
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Basic data | Standard ID | GB/T 31155-2014 (GB/T31155-2014) | | Description (Translated English) | Classification of solar energy resources -- Global radiation | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A47 | | Classification of International Standard | 07.060 | | Word Count Estimation | 10,166 | | Date of Issue | 9/3/2014 | | Date of Implementation | 1/1/2015 | | Quoted Standard | QX/T 55-2007 | | Regulation (derived from) | People's Republic of China Announcement of Newly Approved National Standards No. 21 of 2014 | | 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 solar resource (total radiation) The classification. This Standard is applicable to solar energy resource assessment and zoning. | GB/T 31155-2014: Classification of solar energy resources -- Global 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 reasources. Global radiation
ICS 07.060
A47
National Standards of People's Republic of China
Ratings total solar radiation resources
Issued on. 2014-09-03
2015-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
Introduction Ⅳ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 Level 2 of solar energy resources
4.1 division Indicator 2
4.2 global solar radiation on irradiance level 2
4.3 stability rating 3
4.4 direct than grade 3
5 horizontal solar radiation and direct radiation and statistical estimation methods 3
5.1 radiation observations Case 3
5.2 Case 3 no radiation observations
Appendix A (informative) horizontal solar radiation and direct radiation estimation methods 4
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 specification given.
The standard proposed by the China Meteorological Administration.
This standard by the national meteorological disaster prevention and mitigation Standardization Technical Committee (SAC/TC345) centralized.
This standard was drafted. National Climate Center, CMA Public Weather Service Center, Xinjiang Uygur Autonomous Region Climate Center.
The main drafters of this standard. singing, Zhao, Chen Hongwu, Shen Yanbo, Zhao Yi Zhou, Lu Jiong, Wang Hui, Zhu Changhan, Ji Yuan, the Baisu Qin, Chen Ying.
Introduction
Solar energy as an important renewable energy, energy development and utilization, adjusting energy structure, protect the environment, respond to climate change
, And promote the sustainable development of society is important.
China's solar energy resource assessment in the relevant literature and in practice, there are many different solar energy resources (total radiation) classification index
And methods, resulting in solar energy resources (total radiation) evaluation findings are inconsistent, is not conducive to the formation of our solar energy resources objective and accurate understanding.
To meet the needs of solar energy resources development and utilization of solar energy resources norms (global radiation) evaluation standard is formulated.
Ratings total solar radiation resources
1 Scope
This standard specifies the solar energy resources (total radiation) grade division.
This standard applies to solar energy resource assessment and zoning.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
QX/T 55-2007 surface weather observing practices - Part 11. radiation observations
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Total radiation globalradiation
PYRANOMETER globalsolarradiation
Receiving from the horizontal plane above the 2π solid angle to direct and diffuse radiation sum.
3.2
Direct radiation directradiation
Direct insolation directsolarradiation; beamsolarradiation
Radiation emitted from the inner surface of the day in and around a small solid angle.
Note. In general, the direct radiation from the viewing angle of about 5 ° measured instrument. Thus, it includes part of the scattered radiation around the solar surface, which ring solar radiation, and
Japan faces its own viewing angle of only about 0.5 °.
3.3
Method to direct radiation directnormalradiation
DN
And the sun's rays on a plane perpendicular to the received direct radiation.
Note. From the terms of the values \u200b\u200bof direct radiation and the normal direct radiation is the same; the difference is that direct radiation is emitted by the sun and from the perspective of the definition of law
It is defined from the perspective of the receiving surface to the direct radiation. In the field of solar energy resources, the common law to direct radiation of the term to distinguish the horizontal plane
Direct radiation.
3.4
Horizontal direct radiation directhorizontalradiation
Horizontal direct insolation directhorizontalsolarradiation
DH
Horizontal plane to direct radiation received.
Note. The level of direct radiation and the normal relationship between the direct radiation is. DH = DN · sinh = DN · cosθz
Where DH is the horizontal direct radiation, DN for the law to direct radiation, h is the solar elevation angle, θz for the solar zenith angle.
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