2023年全國碩士研究生考試考研英語一試題真題(含答案詳解+作文范文)_第1頁
已閱讀1頁,還剩34頁未讀, 繼續(xù)免費閱讀

下載本文檔

版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進行舉報或認領(lǐng)

文檔簡介

1、西安文理學(xué)院本科畢業(yè)設(shè)計(論文)第0頁SoftStartingofInductionMotWithTqueControlAdemirNiedMemberIEEEJosdeOliveiraRafaeldeFariasCamposRogrioPinhoDiasLuizCarlosdeSouzaMarquesAbstract—Thispaperpresentsasimpletechniquebasedonstatfluxestimationt

2、ocontroltheelectromagictqueofinductionmots(IMs)duringsoftstarting.Theinherentproblemsrelatedtopureintegrationofthebackelectromagicfcetoestimatethestatfluxareminimizedusingthelowpassfllterapproach.Theexperimentalresultsar

3、edealtwithcomparedwiththeusualcurrentcontroltechnique.TheresultsobtainedvalidatetheproposedtechniqueshowingitsviabilityinapplicationswheretheobjectiveistofittheIMtqueprofileduringstartingstoppingaccdingtotheloadtque.Inde

4、xTerms—Inductionmot(IM)softstartertquecontrol.I.INTRODUCTIONTHEacmotstartersemployingpowersemiconductsarebeingincreasinglyusedtoreplaceelectromagiclinestartersconventionalreducedvoltagestartersbecauseoftheircontrolledsof

5、tstartingcapabilitywithlimitedstartingcurrent[1].Thyristbasedsoftstartersarecheapsimplereliableoccupylessvolumetherefetheiruseisaviablesolutiontotheinductionmot(IM)startingproblem[2].Theangleramptechniqueisknownasthevolt

6、ageramptechniquebecauseitdoesnothaveavoltagefeedbackappliedtothemot.ItmeansthattheIMvoltageiscontrolledthroughafiringanglerampofthethyristsinanopenloop.Thistechniqueissimpleitisusedinlowcostcommercialsoftstarters.Itwilla

7、lwaysproduceastartingquadratictquecurvethatcanbeappliedtosmallhydraulicpumpssmallfans.DependingontheinitialswitchinginstantsofallthethreephasestothesupplyanIMmayproduceseverepulsationsontheelectromechanicaltqueregardless

8、ofwhetheritiscontrolledbyadirectonlinestarterasoftstarter[3].TheelectromagictquepulsationsmaycauseshockstothedrivenequipmentdamagetomechanicalsystemcomponentssuchasshaftscouplingsgearsimmediatelyPaper2009IDC024.R3present

9、edattheIndustryApplicationsSocietyAnnualMeetingEdmontonABCanadaOctober5–9approvedfpublicationintheIEEETRANSACTIONSONINDUSTRYAPPLICATIONSbytheIndustrialDrivesCommitteeoftheIEEEIndustryApplicationsSociety.Manusubmittedfrev

10、iewJanuary312009releasedfpublicationOctober302009.FirstpublishedMarch252010currentversionpublishedMay192010.ThiswkwassupptedbyWEGEquipamentosEltricos.A.NiedJ.deOliveiraR.deFariasCamposarewiththeDepartmentofElectricalEngi

11、neeringUniversidadedoEstadodeSantaCatarinaJoinville89223100Brazil(email:西安文理學(xué)院本科畢業(yè)設(shè)計(論文)第2頁setup.Thispaperisganizedasfollows.SectionIIdescribestheproposedtquecontroltechniqueoperationprinciplesNIEDetal.:SOFTSTARTINGOFIND

12、UCTIONMOTWITHTQUECONTROLFig.1.Proposedcontroltechniqueschematicdiagram.Fig.2.Proposedcontroltechniquedetaileddiagram.SectionIIIshowstheapproachusedtoestimatethefluxfromwhichtheelectromagictquewillbeobtainedSectionIVprese

13、ntsexperimentalresultsoftheproposedtechniquefinallyconclusionsaregiveninSectionV.II.SYSTEMDEIONOPERATIONPRINCIPLESTheschematicdiagramoftheIMsoftstarterwiththeproposedtquecontroltechniqueisgiveninFig.1.Theelectromagictque

溫馨提示

  • 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 眾賞文庫僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請與我們聯(lián)系,我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時也不承擔(dān)用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。

評論

0/150

提交評論