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Chinese Standard: GB 20052-2024

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Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers


Standard in brief
Scope of Application:  
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。

Basic information
Standard No:GB 20052-2024
Standard Name:电力变压器能效限定值及能效等级
English Name:Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers
Standard Status:现行
Release Date:2006-01-09
Effective Date:2025-02-01
Language of Publication:中文简体

Standard Classification
ICS Number:27.010
CCS Number:F01

Related Standards
Referenced Standards:GB/T 1094.1,GB/T 1094.11,GB/T 1094.16,GB/T 2900.95,GB/T 6451,GB/T 10228,GB/T 22072,GB/T 25438,GB/T 25446

Publication Information
Number of pages:28
Number of words:42 K
Format:大16
Edition:1
Color Pages:0
Electronic Version:Yes
Color Images:No
Print Publication Date:2024-04-01

Standard Revision Information
Has Amendment:No

Other Information
Application Dept:国家市场监督管理总局、国家标准化管理委员会
Standard Type:CN
Standard Attribute:GB
Other Standard Number:20052
Management Organization:国家标准化管理委员会
Proposing Department:国家标准化管理委员会

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