GB/T 40104-2021Solar thermal electric plants - Terminology (English PDF)
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Issued by
State Administration for Market Regulation, China National Standardization Administration
Level / Type
National · Recommended
Issue date
May 21, 2021
Implementation date
December 1, 2021
Scope
GB/T 40104-2021 (Solar thermal electric plants - Terminology) is available as an English-translated PDF.
GB/T 40104-2021 — This standard defines the main terms and definitions of solar thermal power station (STE), and aims to provide a reference for industry users.
Solar thermal power plants are usually composed of three main systems. heat collection system, power generation system and heat storage system.
Since the components and configuration of the solar thermal power station depend on the solar heat collection technology used (i.e. tower, parabolic trough, parabolic Surface dish or linear Fresnel heat collection technology), so some terms do not apply to all types of solar thermal power plants, which are already in its definition Introduce notes for clarification.
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Document preview — GB/T 40104-2021
National Standard of the People's Republic of China
- Classification
- F 12
Issued by: State Administration for Market Regulation, China National Standardization Administration
Contents
- 1 Scope1
- 2 Normative references1
- 3 Terms and definitions1
- 3.1 Systems, subsystems and components1
- 3.2 Angle5
- 3.3 Area9
- 3.4 Optical properties11
- 3.5 Solar radiation15
- 3.6 Energy (collector field)16
- 3.7 Energy (power generation area)17
- 3.8 Efficiency19
- 3.9 Heat storage system20
- 3.10 Economic indicators22
- 3.11 Other terms23
- Index27
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
The translation method used in this standard is equivalent to IEC TS62862-1-1.2018 "Solar Thermal Power Station Part 1-1.Terminology".
This standard has made the following editorial changes.
---In order to be consistent with the existing standard series, the standard name is changed to "Solar Thermal Power Station Terminology";
---Deleted Note 2 of 3.4.3, Note 3 of 3.4.8 and Note 3 of 3.4.17.
1 Scope
This standard defines the main terms and definitions of solar thermal power station (STE), and aims to provide a reference for industry users.
Solar thermal power plants are usually composed of three main systems. heat collection system, power generation system and heat storage system.
Since the components and configuration of the solar thermal power station depend on the solar heat collection technology used (i.e. tower, parabolic trough, parabolic
Surface dish or linear Fresnel heat collection technology), so some terms do not apply to all types of solar thermal power plants, which are already in its definition
Introduce notes for clarification.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated reference documents, the latest version (including all amendments) is applicable to this document.
ISO 9488.1999 Solar energy term (Solarenergy-Vocabulary)
3 Terms and definitions
The following terms and definitions apply to this document.
ISO and IEC maintain a terminology database for standardization at the following website
3.1 Systems, subsystems and components
3.1.1
Absorber
A component in a solar collector that absorbs solar radiant energy and transfers heat to the heat transfer fluid.
3.1.2
Absorbercover
The transparent part covering the heat sink is used to reduce the heat loss of the heat sink and protect it from the external environment.
Note. When the cover layer is made of glass, it is usually called "glass cover".
3.1.3
Effective length of linear heat sink activelengthofalinearreceiver
At the reference temperature, the length of the heat sink that receives the focused solar radiation.
Note 1.In general, the reference temperature is 25°C. The length of the heat sink is the exposed part that is not blocked by shadows, and the surface normally absorbs the part of the solar radiation.
length.
Note 2.Unit. The international unit is m.
3.1.4
Auxiliary heater
A device that heats the heat transfer fluid by consuming other non-solar fuels.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 64 pages — is available in the English PDF.
Referenced standards
Normative references
ISO 9488.1999
Cited by
- GB/T 45234.302-2025Solar thermal electric plants - Part 3-2: Systems and components - General requirements and test methods for large-size parabolic-trough collectors
- GB/T 45310-2025Specification for main control system of solar power tower plant
- GB/T 45313-2025Technical requirements for molten salt thermal storage system of solar thermal electric plant
- GB/T 46193-2025Technical requirements for vertical cylindrical molten salt storage tank
- GB/T 44222-2024Technical requirements for collector system of solar power tower plant
- GB/T 44788-2024Technical requirements for grid-connected dispatching operation of solar thermal electric plants
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