耦合磁共振电能传输系统磁路机构参数优化
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摘要
针对耦合磁共振电能传输(CMRPT)系统功率传输和效率优化问题,建立系统的详细等效互感模型,对系统的磁路机构进行优化设计:分析了在不同能量线圈与负载线圈的间距下,两个辅助共振线圈与能量线圈和负载线圈之间的位置比例关系对系统功率传输特性的影响,同时对负载电阻、工作频率等参数进行了优化选取。分析结果发现,对于能量线圈与负载线圈位置一定的耦合磁共振电能传输系统,通过对两个辅助线圈的位置进行优化配置,可以有效地提高系统的功率传输能力或者效率。这个结论有效地减少了实际系统磁路设计的盲目性。最后,通过实验验证了理论分析的正确性。
In order to optimize the power transfer capability and efficiency of coupled magnetic resonances power transfer(CMRPT) system,the mutual inductance mode of the system is established in this paper,and the magnetic circuit is optimized: with different distance between the power coil and the load coil,the relation between the distance proportional of the two auxiliary resonant coils to the power coil and the load coil and transmission power and efficiency are analyzed,and the parameters such as the load resistance and the frequency are also optimized at the same time.The results show that for a CMRPT system with a certain distance between the power coil and the load coil,by optimizing the location of the two auxiliary resonant coils,it can effectively improve the system’s power transfer capability or efficiency,the conclusion effectively reduces blindness for an actual circuit system design.Finally,the theoretical research is justified via an experiment.
In order to optimize the power transfer capability and efficiency of coupled magnetic resonances power transfer(CMRPT) system,the mutual inductance mode of the system is established in this paper,and the magnetic circuit is optimized: with different distance between the power coil and the load coil,the relation between the distance proportional of the two auxiliary resonant coils to the power coil and the load coil and transmission power and efficiency are analyzed,and the parameters such as the load resistance and the frequency are also optimized at the same time.The results show that for a CMRPT system with a certain distance between the power coil and the load coil,by optimizing the location of the two auxiliary resonant coils,it can effectively improve the system’s power transfer capability or efficiency,the conclusion effectively reduces blindness for an actual circuit system design.Finally,the theoretical research is justified via an experiment.
引文
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[2]Boys J T,Covic G A,Yongxiang X.DC analysistechnique for inductive power transfer pick-ups[J].IEEE Power Electronics Letters,2003,1(2):5153.
[3]Hu A P,Covic G A,Boys J T.Direct ZVS start-up ofa current-fed resonant inverter[J].IEEE Transactionson Power Electronics,2006,21(3):809-812.
[4]Matsuda Y,Sakamoto H.Non-contact magneticcoupled power and data transferring system for anelectric vehicle[J].Journal of Magnetism andMagnetic Materials,2007,310(2):2853-2855.
[5]Hatanaka K,Sato F,Matsuki H,et al.Powertransmission of a desk with a cord-free powersupply[J].IEEE Transactions on Magnetics,2002,38(5):3329-3331.
[6]Hirai J,Tae-Woong K,Kawamura A.Integral motorwith driver and wireless transmission of power andinformation for autonomous subspindle drive[J].IEEE Transactions on Power Electronics,2000,15(1):13-20.
[7]孙跃,夏晨阳,戴欣,等.感应耦合电能传输系统互感耦合参数的分析与优化[J].中国电机工程学报.2010.30(33):44-50.Sun Yue,Xia Chenyang,Dai Xin,et al.Analysis andoptimization of mutual inductance for inductivelycoupled power transfer system[J].Proceedings of theCSEE,2010,30(33):44-50.
[8]马皓,周雯琪.电流型松散耦合电能传输系统的建模分析[J].电工技术学报,2005,20(10):66-71.Ma Hao,Zhou Wenqi.Modeling analysis ofinductively coupled power transfer systems based oncurrent source resonant converter[J].Transactions ofChina Electrotechnical Society,2005,20(10):66-71.
[9]孙跃,王智慧,戴欣,等.非接触电能传输系统的频率稳定性研究[J].电工技术学报,2005,20(11):56-59.Sun Yue,Wang Zhihui,Dai Xin,et al.Study offrequency stability of contactless power transmissionsystem[J].Transactions of China ElectrotechnicalSociety,2005,20(11):56-59.
[10]Chao Liu,Hu A P.Steady state analysis of acapacitively coupled contactless power transfersystem[C].Proceedings of the IEEE EnergyConversion Congress and Exposition,SanJose,CA,United states:2009:3233-3238.
[11]胡友强,戴欣.基于电容耦合的非接触电能传输系统模型研究[J].仪器仪表学报,2010,31(9):2133-2139.Hu Youqiang,Dai Xin.Study on modeling ofcapacitively coupled contactless power transfer systemsystem sing generalized state space averagingmethod[J].Chinese Journal of Scientific Instrument,2010,31(9):2133-2139.
[12]Yuan Qiaowei,Chen Qiang,Li Long,et al.Numericalanalysis on transmission efficiency of evanescentresonant coupling wireless power transfer system[J].IEEE Transactions on Antennas and Propagation,2010,58(5):1751-1758.
[13]RamRakhyani A K,Mirabbasi S,Mu Chiao.Designand optimization of resonance-based efficientwireless power delivery systems for biomedicalimplants[J].IEEE Transactions on Biomedical Circuitand Systems,2011,5(1):48-63.
[14]Karalis Aristeidis,Joannopoulos J D,Soljacic Marin.Efficient wireless non-radiative mid-range energytransfer[J].Annals of Phisics,2008,323:34-48.
[15]Hamam Rafif E,Karalis Aristeidis.Coupled-modetheory for general free-space resonant scattering ofwaves[J].The American Physical Society,2007,75(5):1-5.
[16]Tsang M,Psaltis D.Theory of resonantly enhancednear-field imaging[J].Optical Society of America,2007,15(19):11959-11970.
[17]Sanghoon Cheon,Yong Hae Kim,Seung Youl,et al.Circuit model based analysis of a wireless energytransfer system via couple magnetic resonances[J].IEEE Transactions on Industrial Electronics,2011,58(7):2906-2914.
[18]傅文珍,张波,丘东元,等.自谐振线圈耦合式电能无线传输的最大效率分析与设计[J].中国电机工程学报,2009,29(18):21-26.Fu Wenzhen,Zhang Bo,Qiu Dongyuan,et al.Maximum efficiency analysis and design of self-resonance coupling coils for wireless powertransmission system[J].Proceedings of the CSEE,2009.29(18):21-26.
[19]Finkenzeller K.RFID-Handbook[M].2nd ed.Wiley,Hoboken:NJ,2003.