欢迎来到天天文库
浏览记录
ID:57749871
大小:696.72 KB
页数:10页
时间:2020-03-28
《基于扰动跟踪Terminal滑模与多目标零动态的协调励磁控制器设计.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第43卷第4期电力系统保护与控制Vo1.43NO.42015年2月16日PowerSystemProtectionandContro1Feb.16.2015基于扰动跟踪Terminal滑模与多目标零动态的协调励磁控制器设计栾某德,陆巍,刘涤尘,廖清芬,赵常威一,冯玉(1.安徽省电力科学研究院,安徽合肥230601;2.武汉大学电气工程学院,湖北武汉430072)摘要:针对电力系统中存在各种扰动和模型不确定性等,为了提高励磁控制的鲁棒性,并考虑机端电压限制,设计了以功角稳定和电压控制为目标的协调励磁控制器。功角稳定控制在Terminal滑模中在线跟踪扰动并进行补偿,构成扰
2、动跟踪Terminal滑模控制,抑制一般扰动和振荡,并能抑制共振型低频振荡;同时设计了多目标零动态滑模控制,在机端电压过限或突变时投入,具有控制功角和提高机端电压性能的功能。稳定控SUCH电压控制协调切换完成励磁控制。仿真结果表明控制器能在各种扰动时快速稳定功角,并能抑制共振型低频振荡,同时能有效摔制机端电压。关键词:状态反馈精确线性化;周期性扰动;共振型低频振荡;扰动跟踪;Terminal滑模;机端电;多目标CoordinationexcitationcontrollerdesignbasedondisturbancetrackingTerminalslidingmo
3、deandmulti-objectivezerodynamicscontrolLUANMoude一,LUWei,LIUDichen,LIAOQingfen2,ZHAOChangwei一FENGYu’.(1.AnhuiElectricPowerResearchInstitute,Hefei230601,China;2.SchoolofElectricalEngineering.WuhanUniversity,Wuhan430072,China)Abstract:Consideringvariousdisturbancesandmodeluncertaintyinpower
4、system,acoordinationexcitationcontrollerforpoweranglestabilityandterminalvoltagecontrolisdesignedtoenhancetherobustnessofexcitationcontrolandtaketerminalvoltagelimitintoaccount.PoweranglestabilitycontroltracksdisturbanceandcompensateitinTerminalslidingmodeanditmakesdisturbancetrackingTer
5、minalslidingmodeexcitationcontro1.It’Sabletosuppressgeneraldisturbances,oscillations,andalsoresonance—typelow—frequencyoscillation.Meanwhilemulti.objectivezerodynamicsslidingmodecontrolisdesigned.ItwillbeputtousewhenterminalvoltageexceedsthelimitsorvoltageiumpOccursandit’Sabletocontrolpo
6、weranglestabilityandimproveterminalvoltageproperty.Theexcitationcontrolleroperatesthroughcoordinationswitchofstabilitycontrolandvoltagecontro1.Simulationshowsthatthecontrollerisabletoprovidestrongdampingandstabilizepoweranglefastduringdisturbances,tosuppressresonance—typelow.frequencyosc
7、illation,aswellastocontrolgeneratorterminalvoltageeffectively.ThisworkissupportedbyNationalHigh-techR&DProgramofChina(863Program)(No.2011AA05A119)andNationalNaturalScienceFoundationofChina(No.51077103).Keywords:statefeedbackexactlinearization;periodicdisturbance;resonance
此文档下载收益归作者所有