合肥工业大学学报(自然科学版)
閤肥工業大學學報(自然科學版)
합비공업대학학보(자연과학판)
JOURNAL OF HEFEI UNIVERSITY OF TECHNOLOGY(NATURAL SCIENCE)
2014年
12期
1436-1440,1504
,共6页
阚超豪%张家午%储国良%马伯
闞超豪%張傢午%儲國良%馬伯
감초호%장가오%저국량%마백
无刷双馈电机%双正弦转子%有限元仿真%气隙磁密
無刷雙饋電機%雙正絃轉子%有限元倣真%氣隙磁密
무쇄쌍궤전궤%쌍정현전자%유한원방진%기극자밀
brushless doubly-fed machine(BDFM)%doubly-sine wound rotor%finite element simula-tion%air gap flux density
双正弦无刷双馈电机是将正弦结构引入到无刷双馈电机转子绕组的基础上设计出来的。文章利用Ansoft/Maxwell 2D建立双正弦无刷双馈电机的有限元模型,通过电机外电路添加激励,对电机模型进行有限元仿真;依据仿真结果,并结合电机的磁力线分布、电机转速与频率的对应关系以及气隙磁密等验证了电机设计的可行性与合理性;在此基础上,通过与传统的特殊笼型转子和等匝绕组式转子结构的无刷双馈电机对比分析,表明双正弦无刷双馈电机在增强磁场调制效果和降低气隙谐波方面有较大的优越性,进而为深入研究双正弦无刷双馈电机奠定了基础。
雙正絃無刷雙饋電機是將正絃結構引入到無刷雙饋電機轉子繞組的基礎上設計齣來的。文章利用Ansoft/Maxwell 2D建立雙正絃無刷雙饋電機的有限元模型,通過電機外電路添加激勵,對電機模型進行有限元倣真;依據倣真結果,併結閤電機的磁力線分佈、電機轉速與頻率的對應關繫以及氣隙磁密等驗證瞭電機設計的可行性與閤理性;在此基礎上,通過與傳統的特殊籠型轉子和等匝繞組式轉子結構的無刷雙饋電機對比分析,錶明雙正絃無刷雙饋電機在增彊磁場調製效果和降低氣隙諧波方麵有較大的優越性,進而為深入研究雙正絃無刷雙饋電機奠定瞭基礎。
쌍정현무쇄쌍궤전궤시장정현결구인입도무쇄쌍궤전궤전자요조적기출상설계출래적。문장이용Ansoft/Maxwell 2D건립쌍정현무쇄쌍궤전궤적유한원모형,통과전궤외전로첨가격려,대전궤모형진행유한원방진;의거방진결과,병결합전궤적자력선분포、전궤전속여빈솔적대응관계이급기극자밀등험증료전궤설계적가행성여합이성;재차기출상,통과여전통적특수롱형전자화등잡요조식전자결구적무쇄쌍궤전궤대비분석,표명쌍정현무쇄쌍궤전궤재증강자장조제효과화강저기극해파방면유교대적우월성,진이위심입연구쌍정현무쇄쌍궤전궤전정료기출。
Doubly‐sine wound rotor brushless doubly‐fed machine(BDFM ) is designed on the basis of introducing the sinusoidal structure to the rotor winding of BDFM .In this paper ,the finite element models of doubly‐sine wound rotor BDFM is established by the Ansoft/Maxwell 2D ,then this BDFM is simulated by the finite element method .According to the simulation results ,the distribution of magnetic line ,the corresponding relation between speed and frequency of the BDFM and air gap flux density ,the feasibility and rationality of this new‐type BDFM are verified .On this basis ,the doubly‐sine wound rotor BDFM is compared with traditional cage rotor BDFM and equal number of turns wound rotor BDFM ,and the results prove the superiority of doubly‐sine wound rotor BDFM in enhan‐cing magnetic field modulation effect and reducing the air gap harmonic magnetic field ,w hich can lay the foundation for further study of doubly‐sine wound rotor BDFM .