特高压换流变压器电磁场特性的数值应用研究  

Numerical Study of UHV Converter Transformer EM Field Characteristics

作　　者：宋书才[1] 王建民[1] 张喜乐[1] 陈志伟[1] 

机构地区：[1]保定天威保变电气股份有限公司,河北省保定市071056

出　　处：《电力建设》2007年第7期14-18,共5页Electric Power Construction

摘　　要：利用有限元方法,对高压直流换流变压器建立电磁场计算模型,分别对换流变压器设计中的交流、直流和极性反转时的电场,含有高次谐波影响的绕组非正弦瞬态漏磁场等问题进行数值应用研究,得到交、直流电场和瞬态漏磁场等的分布规律,经过不同方法或产品实测结果的比较,相互检验了计算结果的正确性,为特高压直流换流变压器的设计提供了有价值的数据应用结论。HVDC converter transformer EM field computational model has been built using FEM. Numerical analyses have been conducted to study the electric field generated by AC, DC, and polarity reverse, and winding non-sinusoidal transient leakage magnetic field containing high harmonics. Distributions of AC, DC fields and transient leakage magnetic field have also been calculated. Numerical results are validated with other methods and product test measurements. It provides valuable data and conclusions for UHVDC converter transformer design.

关 键 词：换流变压器 电场 瞬态漏磁场 谐波损耗 

分 类 号：TM753[电气工程—电力系统及自动化]