GB 20052-2024 Active National standards force_standard

GB 20052-2024 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers

GB 20052-2024 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers

Publish Date: 2024-04-29 Implement Date: 2025-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB 20052-2024

Standard Type: National standards

Standard Status: Active

is_force_gb: yes

CCS Name: Technical management

ICS Name: Integrated Energy and Heat Transfer Engineering

Publish Date: 2024-04-29

Implement Date: 2025-02-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 国家标准化管理委员会

Pages: 28 pages

Scope

本文件规定了电力变压器的能效限定值、能效等级和试验方法。
本文件适用于三相10 kV电压等级、无励磁调压、额定频率为50 Hz、额定容量为30 kVA～2 500 kVA的油浸式配电变压器和干式配电变压器；35 kV～500 kV电压等级、额定频率为50 Hz、额定容量为3 150 kVA 及以上的油浸式电力变压器；三相6 kV~35 kV电压等级、无励磁调压、额定频率为50 Hz、额定容量500 kVA及以上的新能源发电侧光伏用、风电用、储能用油浸式和干式变压器；三相66 kV电压等级、无励磁调压、额定频率为50 Hz、额定容量为3 150 kVA～20 000 kVA的新能源发电侧光伏用、风电用、储能用油浸式变压器。
本文件不适用于充气式变压器、塔筒变压器、机舱变压器。

Development Information

Word Count: 42 Thousand words Pages: 28 pages

Replace the following standards

GB 20052-2020 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers

Referenced Standards

GB 1094.1-1996 Power transformers—Part 1:General GB/T 1094.1-2013 Power transformers—Part 1:General GB/T 1094.11-2007 Power transformers—Part 11:Dry-type transformers GB/T 1094.11-2022 Power transformers—Part 11:Dry-type transformers GB/T 1094.16-2013 Power transformers—Part 16:Transformers for wind turbine applications GB/T 2900.95-2015 Electrotechnical terminology—transformers,voltage regulators and reactors GB/T 6451-1999 Specification and technical requirements for three-phase oil-immersed power transformers GB/T 6451-2008 Specification and technical requirements for oil-immersed power transformers GB/T 6451-2015 Specification and technical requirements for oil-immersd power transformers GB/T 6451-2023 Technical parameters and requirements for oil-immersed power transformers GB/T 10228-1997 Specification and technical requirements for dry-type power transformers GB/T 10228-2008 Specification and technical requirements for dry-type power transformers GB/T 10228-2015 Specification and technical requirements for dry-type power transformers GB/T 10228-2023 Technical parameters and requirements for dry-type power transformers GB/T 22072-2008 Specifications and technical requirements for dry-type amorphous alloy core distribution transformers GB/T 22072-2018 Specifications and technical requirements for dry-type amorphousalloy core distribution transformers GB/T 25438-2010 Specification and technical requirements for three-phase oil-immersed tridimensional toroidal-core distribution transformers GB/T 25446-2010 Specification and technical requirements for oil-immersed amorphous alloy core distribution transformers GB/T 1094.16-2025 Power transformers—Part 16:Transformers for wind turbine applications

Related Standards

GB/T 3794-1983 Abolished

GB/T 3794-1983 Standard for assesment of technical proficiency and acceptahce for energy balance of industrial enterprise

Publish Date: 1983-07-06

GB/T 5623-1985 Replaced

GB/T 5623-1985 Guides for the stipulation and administration of electricity consumption norm of product

Publish Date: 1985-11-25

GB/T 6421-1986 Abolished

GB/T 6421-1986 Methods for drawing energy flow diagram of industrial enterprise

Publish Date: 1986-05-27

GB/T 6422-1986 Replaced

GB/T 6422-1986 Directives for measuring and testing energy consumption in industrial enterprises

Publish Date: 1986-05-27

GB/T 6425-1986 Replaced

GB/T 6425-1986 Nomenclature for thermal analysis

Publish Date: 1986-05-27

GB/T 8174-1987 Replaced

GB/T 8174-1987 Methods of measuring and evaluating thermal insulation effects for equipments and pipes

Publish Date: 1987-08-28