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材料导报  2019, Vol. 33 Issue (14): 2413-2418    https://doi.org/10.11896/cldb.18050092
  金属与金属基复合材料 |
复杂服役工况下取向硅钢的磁特性与铁心材料选型
程灵1,2, 杨富尧2, 马光2, 孟利1, 陈新2, 韩钰2, 董瀚1
1 钢铁研究总院冶金工艺研究所,北京 100081;
2 全球能源互联网研究院有限公司先进输电技术国家重点实验室,北京 102211
Magnetic Performance of Grain-oriented Silicon Steel Under Complex Working Condition and Material Selection for Transformer Core
CHENG Ling1,2, YANG Fuyao2, MA Guang2, MENG Li1, CHEN Xin2, HAN Yu2, DONG Han1
1 Department of Metallurgical Technology, Central Iron and Steel Research Institute, Beijing 100081;
2 State Key Laboratory of Advanced Power Transmission Technology, Global Energy Interconnection Research Institute Co., Ltd., Beijing 102211
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摘要 本工作基于直流偏置量和励磁信号波形精确可控的软磁测量系统,研究了交直流混合激励条件下0.20 mm、0.23 mm、0.27 mm及0.30 mm规格共14个高牌号取向硅钢的磁性能及磁致伸缩性能,并考虑取向硅钢在复杂工况下的磁特性,针对受高压直流输电地中电流影响较大的交流变压器、直流偏磁与高次谐波工况同时存在的换流变压器以及含谐波工况的一般交流电力变压器开展了铁心材料选型研究。结果表明,对于正常工况下铁损相同的取向硅钢材料,厚规格、低磁感取向硅钢在直流偏磁条件下损耗及励磁电流更小,而薄规格取向硅钢在谐波工况下的损耗更低,并进一步揭示了造成该现象的原因。针对上述三类电力变压器,分别提出了不同铁损、公称厚度、磁感应强度及表面张力取向硅钢材料在铁心材料中的选用建议。
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程灵
杨富尧
马光
孟利
陈新
韩钰
董瀚
关键词:  取向硅钢  电力变压器  磁特性  材料选型    
Abstract: Based on the soft magnetic measurement system which can precisely control the DC bias and excitation signal waveform, the magnetic performance and magnetostrictive properties of 0.20 mm, 0.23 mm, 0.27 mm and 0.30 mm series grain-oriented silicon steels were studied under AC/DC hybrid excitation. The selection principles of core materials for 3 different types of transformers (AC transformer affected by neutral current in HVDC ground-return system, converter transformer with DC bias and harmonics condition, and lager AC transformer with harmonic condition) were researched in this work. For the samples with the same core loss under normal condition, the thick silicon steel with low magnetic induction shows lower power loss and excitation current under DC bias condition, while the thin silicon steel presents lower core loss under harmo-nic condition. Besides, the mechanisms were analyzed. The selection proposals of silicon steels with different core loss, thickness, magnetic induction and tensile stress for the above 3 types of power transformers were put forward respectively.
Key words:  grain-oriented silicon steel    power transformer    magnetic properties    material selection
                    发布日期:  2019-06-19
ZTFLH:  TM275  
基金资助: 国家重点研发计划(2017YFB0903901)
通讯作者:  chengling@geiri.sgcc.com.cn   
作者简介:  程灵,全球能源互联网研究院高级工程师,钢铁研究总院在职博士研究生。2006年9月至2013年1月,在北京科技大学材料科学与工程学院获得学士学位和硕士学位。以第一作者在Scripta MaterialiaJournal of Magnetism and Magnetic Materials(同时担任审稿人)、《中国电力》等国内外学术期刊上发表论文10余篇;申请国家发明专利12项,其中授权专利6项;获中国腐蚀与防护协会科技进步一等奖1项,全球能源互联网研究院科技进步二等奖1项。作为课题执行负责人,开展多项国家电网公司科技项目及基础前瞻性项目研究,主要涉及电工磁性材料在输变电设备中的应用技术研究。
引用本文:    
程灵, 杨富尧, 马光, 孟利, 陈新, 韩钰, 董瀚. 复杂服役工况下取向硅钢的磁特性与铁心材料选型[J]. 材料导报, 2019, 33(14): 2413-2418.
CHENG Ling, YANG Fuyao, MA Guang, MENG Li, CHEN Xin, HAN Yu, DONG Han. Magnetic Performance of Grain-oriented Silicon Steel Under Complex Working Condition and Material Selection for Transformer Core. Materials Reports, 2019, 33(14): 2413-2418.
链接本文:  
http://www.mater-rep.com/CN/10.11896/cldb.18050092  或          http://www.mater-rep.com/CN/Y2019/V33/I14/2413
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