Suzhou Electric Appliance Research Institute
期刊號: CN32-1800/TM| ISSN1007-3175

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基于磁控電抗器鐵芯的磁滯回線擬合

來源:電工電氣發(fā)布時間:2016-03-11 13:11 瀏覽次數(shù):7

基于磁控電抗器鐵芯的磁滯回線擬合 

李蕾, 程漢湘,彭湃,陳杏燦,楊健 
(廣東工業(yè)大學 自動化學院,廣東 廣州 510006) 
 

摘 要: 針對在直流偏磁狀態(tài)下鐵磁性材料磁滯回線發(fā)生畸變的現(xiàn)象,應用BP 神經(jīng)網(wǎng)絡理論在Matlab 平臺上實現(xiàn)對磁控電抗器鐵芯磁滯回線的擬合,并對直流偏磁下的繞組電流的畸變情況進行仿真。結果表明,經(jīng)擬合之后的磁滯回線與實際測得值接近,各繞組電流變化情況與理論分析相符合,為研究直流偏磁下磁滯回線的擬合及電流畸變分析提供了有效的方法。
關鍵詞: 磁滯回線;直流偏磁;BP 神經(jīng)網(wǎng)絡;磁控電抗器;電流畸變
中圖分類號:TM471 文獻標識碼:A 文章編號:1007-3175(2015)11-0023-04


Matching of Hysteresis Loop Based on Magnetic Controlled Reactor 

LI Lei ,CHENG Han-xiang,
PENG Pai, CHEN Xing-can, YANG Jian
 
(Faculty of Automation, Guangdong University of Technology , Guangzhou 510006, China) 
 

Abstract: Aimed at the distortion of ferro magnetic material hysteresis loop under direct current magnetic bias, this paper used the back propagation neural network theory to realize matching of hysteresis loop based on magnetic controlled reactor on the platform of Matlab, simulating the winding current distortion under direct current magnetic bias. The results show that the matching hysteresis loop is close to the practical measured curve. The excitation current changes are consistent with theoretical analysis, which provides an effective approach for the research of hysteresis loop matching and current distortion under direct current magnetic bias.
Key words: hysteresis loop; direct current magnetic bias; back propagation neural network; magnetic controlled reactor; current distortion


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