HVDC中直流偏磁电力变压器叠片铁心损耗及磁通分布_赵志刚.pdfVIP

DO I :10.13336/.1003 -6520.hve.2010.09.035 　36 9 2010 9 30 　　　　　 2346 High V olt age Engineeri ng, V ol.36, N o .9, S ept em ber 30, 20 10 HVDC 1 1 2 1 2 2 2 赵志刚 , 刘福贵, 程志光, 颜威利, 刘兰荣, 张俊杰 , 范亚娜 (1.河北省电磁场与电器可靠性省部 建重点实验室, 河北工业大学, 天津300130; 2 .保定天威集团技术中心,保定07 1056 ) 　:, 。 , 。 , , 。 , , 。 :;;;;; :T M 20 1.4 :A :1003-6520 (2010)09-234 6-06 Loss and Flux Distribution of Power Transformer Laminated Core Under DC-biased Magnetization Condition in HVDC 1 1 2 1 ZH A O Z hi-gang , L IU F u-gui , CH EN G Z hi-guang , YA N Wei-li , 2 2 2 LI U Lan-rong , Z HA N G Jun-ie , FA N Y a-na (1.Province-ministry Joint Key Laboratory of Electromag netic Field and Electrical Apparatus Reliability, Hebei Universit y of T echnolo gy, Tian i n 300130, China;2.Re sea rch and Develo pment Cent er, Bao ding T ianw ei Group Co ., L td ., Baodi ng 071056, Chi na) Abstract:In or der to study the iron lo ss and mag ne tic f lux distribution o f the pow er transfo rmer laminated co re un- der DC-biased mag ne tiza tion w o rking condition in HV DC, a laminated co re model of produc t lev el w as pro po sed and proto typed.T he lo ss curves under diff erent biased mag netic streng th o f the f er ro mag netic materia l w hich w ere nec- essary for the 3D electr omag netic analy sis had been measured based o n the co re mo del.T he diff erent electromag netic behavior o f the laminated mag ne tic steel under