摘要
针对变压器直流偏磁状态下的电磁特性,采用场路耦合结合三维有限元算法,分析了单相四柱变压器结构件漏磁场和损耗的变化。通过增加油箱壁磁屏蔽、铜屏蔽、复合屏蔽等多种形式,核算了不同屏蔽措施对结构件损耗值的影响。
Based on the electromagnetic characteristic of transformer under DC bias. The leakage magnetic field and loss of single-phase four-limb transformer are analysed combined with field-circuit coupling and 3 D FEM. The influence of different shields measures on the loss of stuctures is analysed by adding magnetic shield, copper shield and compounded shield to tank.
作者
刘加国
齐向
袁飞
张寒
张伟
荣鹏
LIU Jia-guo;QI Xiang;YUAN Fei;ZHANG Han;ZHANG Wei;RONG Peng(State Grid ShanDong Electric Power Company,Taizan Power Supply Company,Taizan 271000,China)
出处
《变压器》
北大核心
2019年第11期57-60,共4页
Transformer
关键词
变压器
直流偏磁
场路耦合
涡流损耗
屏蔽措施
Transformer
DC Bias
Field-circuit coupling
Eddy current loss
Shield measure