文档名：基于钳位电路的LCCS补偿型感应电能传输系统抗偏移方法
摘要：在感应电能传输(IPT)系统中,线圈错位难以避免,造成的耦合变化会导致系统的传输功率不稳定.为了保证IPT系统的供电灵活性,系统需具有容忍线圈宽范围偏移的能力.为此,该文借鉴模态切换的思想,提出一种基于钳位电路的LCC-S补偿型IPT系统,用于增强系统抗偏移性.与传统多模态切换的IPT系统相比,该系统中的钳位电路可根据耦合变化自适应地导通或关断,以调节工作模态,从而实现近乎恒定的功率输出,该方法无需耦合识别、输出检测及反馈通信等辅助手段.该文对系统不同工作模态的功率传输特性进行了推导和分析,并结合系统设计相关约束条件,提供一套参数化设计方法.最后设计并搭建一套500W的实验装置,验证了理论分析的正确性与可行性.实验结果表明,该方法在耦合度为0.205～0.42的情况下,输出功率稳定在470～505W之间,效率为83.29%～90.21%.
Abstract：Inductivepowertransfer(IPT)technologydeliverspowerthroughelectromagneticinductionbetweenthecoupledcoilswithoutphysicalcontact.However,themisalignmentbetweencoilsisoftenunavoidableinapplications,andthecouplingvariationcausedbythemisalignmentcancausetheinstabilityoftheIPTsystem.Therefore,ensuringoutputstabilityhasbecomeoneofthemainproblemsintheapplicationanddevelopmentofIPTtechnology.Topologydesignsolutionsarefavoredbecauseoftheirsimplicityandreliability.Topologydesignsolutionsincludemixedtopology,detuningtopology,andreconfigurabletopology.Thereconfigurabletopologysolutionneedstoapplyactiveswitchingdevices,thedetectionmodule,andthecommunicationmodule,causinghighercostsandlowerreliability.Basedontheideaofmodeswitching,thispaperproposesanoveldetuningIPTsystemwithaclampcircuittoenhancetheanti-misalignmentabilityofthesystem.Comparedwiththetraditionalmulti-modeIPTsystem,theclampcircuitinthesystemcanbeswitchedonoroffadaptivelyaccordingtothecouplingvariationtoadjustthesystemmodeandachievenearlyconstantpoweroutputwithoutauxiliaryequipment,suchascouplingidentification,outputdetection,andfeedbackcom-munication.First,accordingtothecharacteristicsofunidirectionalconductionanddiscontinuous/continuousoftheclampcircuit,theproposedsystemhasmulti-modecharacteristics,andthecorrespondingsystemoutputpowercurvesofdifferentmodesaredifferent.TheworkingprincipleandpoweroutputcharacteristicsoftheIPTsystemwithorwithouttheclampcircuitactivationarederivedandanalyzed,andtheexpressionsofthesystempoweroutputcurvewithorwithouttheclampcircuitactivationaregiven.Feasiblesplicingmethodsareproposedbasedonthecorrespondingoutputpowercurvesofdifferentsystemmodes.Then,byanalyzingthefunctionofeachtopologystructureoftheproposedIPTsystemandtheoutputpowercurveofthesystemunderdifferentworkingmodes,reasonableconstraintconditionsareprovidedfortheparametricdesignofthesystem.Thefeasibleparametricdesignprocessmethodisobtained.Atthesametime,thispaperprovidesasetofmethodstojudgethesystemmodeaccordingtothetimedomainanalysismethodtoensuretheaccuracyoftheswitchingpoint,andalsogivesadesigncase.Bysubintervalanalysismethod,theoutputcharacteristicsoftheIPTconverterunderthePNandPONmodesareanalyzed,andthecurrentsoftheclampcircuitindifferentmodesarecalculatedtoverifyiftheclampcircuitisactivated.A500Wexperimentalprototypeisbuilt,andthechangesinoutputpowerandefficiencyduringcouplingvariationaremeasured.Experimentalresultsshowthatwhenthecouplingcoefficientchangesduring0.205～0.42,theoutputpoweroftheproposedsystemfluctuatesbetween470～505W,themaximumoutputpowerfluctuationis35W,theoutputpowerfluctuationrateislessthan3.6%,andtheefficiencychangesbetween90.21%and83.29%.
作者：张滨山 张泽恒 杨斌 麦瑞坤 陈阳Author：ZhangBinshan ZhangZeheng YangBin MaiRuikun ChenYang
作者单位：西南交通大学磁浮技术与磁浮列车教育部重点实验室成都611756;西南交通大学电气工程学院成都611756
刊名：电工技术学报
Journal：TransactionsofChinaElectrotechnicalSociety
年，卷(期)：2024, 39(8)
分类号：TM724
关键词：感应电能传输(IPT)钳位电路 耦合变化 参数化设计 恒功率输出
Keywords：Inductivepowertransfer(IPT) clampcircuit couplingvariation parametricdesign stablepowertransfer
机标分类号：TM724TM133TN702
在线出版日期：2024年4月29日
基金项目：国家自然科学基金，四川省科技计划资助项目，四川省科技计划资助项目基于钳位电路的LCC-S补偿型感应电能传输系统抗偏移方法[
期刊论文] 电工技术学报--2024, 39(8)张滨山 张泽恒 杨斌 麦瑞坤 陈阳在感应电能传输(IPT)系统中,线圈错位难以避免,造成的耦合变化会导致系统的传输功率不稳定.为了保证IPT系统的供电灵活性,系统需具有容忍线圈宽范围偏移的能力.为此,该文借鉴模态切换的思想,提出一种基于钳位电路的LCC-...参考文献和引证文献
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