变压器能效标准升级及选择  

Upgrade and Selection of Energy Efficiency Standards for Transformers

作　　者：杜毅威[1] DU Yiwei(China Southwest Architectural Design and Research Institute Corp.Ltd,Chengdu 610042,China)

机构地区：[1]中国建筑西南设计研究院有限公司,成都市6610042

出　　处：《建筑电气》2025年第1期3-7,共5页Building Electricity

摘　　要：结合最新变压器能效等级标准GB20052-2024 《电力变压器能效限定值及能效等级》 2025年2月1日的实施,就能效标准的升级变化,重点对标准中能效等级和铁心材质、铁心型式,以及硅钢带变压器和非晶合金变压器等与节能、设计选型关系密切的问题进行比较、分析,为节能型变压器设计选型提供参考。With the implementation of the latest Minimum Allowable Values of Energy Efficiency and the Energy Efficiency Grades for Power Transformers(CB 20052-2024)on February 1,2025,the upgrades of energy efficiency standards are analyzed.Especially,the relationship between energy efficiency grades and the material and type of iron cores as well as the relationship between silicon steel strip transformers/amorphous alloy transformers and energy conservation,design,and type selection in design are compared and analyzed,aiming to provide a reference for design and type selection of energy-saving transformers.

关 键 词：变压器 能效限值 能效等级 硅钢带 非晶合金 叠铁心 卷铁心 立体卷铁心 

分 类 号：TM40[电气工程—电器]