三维涡流场及屏蔽杂散损耗  

Three Dimensional Eddy Current Field and Stray-Field Loss in Shields

作　　者：杨素梅[1] 程志光[2] 朱晓荃[1] 

机构地区：[1]河北工业大学电磁场与电器可靠性省部共建重点实验室,天津300130 [2]保定天威集团技术中心,保定071056

出　　处：《电力系统及其自动化学报》2007年第6期30-34,共5页Proceedings of the CSU-EPSA

基　　金：河北省自然科学基金重大项目(E2006001036)

摘　　要：为减少大型电力变压器铁磁结构件中产生的杂散损耗,避免由于产生局部过热点使相关的绝缘部件受到损害进而危及整个变压器的正常运行,采用了Ar-V-Ar方法对两组已经建立的面向工程的国际TEAM Problem 21的屏蔽基准模型的电磁场和杂散损耗进行了准确定量分析和实验研究,得到了新的具有工程意义的结果和结论。计算和实验结果得到了满意的吻合,验证了电磁分析方法的有效性。In order to reduce the stray-field loss of the ferromagnetic configuration in large power transformers and avoid local overheating, which damages some insulation-components, probably interrugts the normal operation of the whole device, A^-V-Ar method is used to investigate two sets of engineering- oriented shielding model, which belang to TEAM （testing electromagnetic analysis methods） Problem 21 family. The electromagnetic field and the stray loss of there shielding models are analyzed in detail, and some related experiments are carried out. The calculated and measured results are in good agreement, which proves the practicality and effectiveness of the electromagnetic analysis methods.

关 键 词：电磁屏蔽 磁屏蔽 磁滞损耗 硅钢迭片 杂散损耗 

分 类 号：TM41[电气工程—电器]