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1、Abstract摘要隨著電力電子技術(shù)、計(jì)算機(jī)技術(shù)以及自動(dòng)控制技術(shù)的快速發(fā)展,單相交-直-交變頻系統(tǒng)也得到了迅速發(fā)展,它顯著的變頻能力,廣泛的應(yīng)用范圍,完善的保護(hù)效力,和易于實(shí)現(xiàn)的變頻功能,獲到了廣大使用者的認(rèn)可,在運(yùn)行的安全可靠、安裝使用以及維修維護(hù)等方面,也給使用者帶來(lái)了極大的益處。課題研究的單相交-直-交變頻電路設(shè)計(jì)主要分為主電路和控制電路兩部分,其中主電路還分為整流電路、濾波電路和單相橋式PWM逆變電路,而逆變部分則需要用到控制電路,控制電路分為控制電路、驅(qū)動(dòng)電路和保護(hù)電路。課題的整流部分選用不可控的橋式整流電路;濾
2、波部分則選用LC低通濾波,獲得高頻率的交流正弦波輸出;逆變部分選用四個(gè)IGBT管組成的單相橋式逆變電路??刂齐娐分饕詥纹珊瘮?shù)發(fā)生器ICL8038為核心設(shè)計(jì)的,生成兩路PWM信號(hào)用來(lái)分別控制兩對(duì)IGBT管;驅(qū)動(dòng)電路則是選用了具備電氣隔離的集成驅(qū)動(dòng)芯片M57962L;保護(hù)電路選用雙D觸發(fā)器CD4013。用MATLAB軟件仿真出設(shè)計(jì)的電路,其中對(duì)純電阻負(fù)載以及電阻電感負(fù)載分別進(jìn)行數(shù)據(jù)和波形的分析,并采取相關(guān)措施使最后輸出的波形接近正弦波。關(guān)鍵詞:整流濾波逆變IGBTPWMMATLABAbstractAbstractWith
3、therapiddevelopmentofpowerelectronicstechnology,computertechnology,automaticcontroltechnology,single-phaseorthogonalfrequencysystemhasbeendevelopingrapidly,itsremarkablefrequencycapability,awiderangeofapplications,perfectprotection,aswellaseasytoimplementtheconver
4、sionfunction,hasbeenrecognizedbythemajorityofusersinthesafeandreliableoperation,installation,repairandmaintenance,etc.,butalsotobringusersgreatconvenience.ResearchofsinglephaseAC-DC-ACinvertercircuitdesigndividedintothemaincircuitandcontrolcircuit,whichcanbedivide
5、dintothemaincircuitrectifiercircuit,filtercircuitandsingle-phasebridgePWMinvertercircuit,andinvertercontrolpartoftheneedtousecircuit,thecontrolcircuitisdividedintoacontrolcircuit,drivecircuitandprotectioncircuit.Subjectrectifierbridgerectifierusinguncontrollable;f
6、ilteringsectionusingLClow-passfiltertoobtainahigh-frequencysinewaveACoutput;inverterpartofthesingle-phasebridgeinvertercircuitcomposedoffourIGBTtube.MonolithicintegratedcontrolcircuitICL8038functiongeneratorcoredesignedtogeneratetwoPWMsignalstocontrolthetwopairsof
7、IGBT;drivecircuitistheuseofintegrateddriverchipM57962Lwithelectricalisolation;protectioncircuitusesdualDflip-flopCD4013.UsingMATLABsoftwaresimulationofthedesignofthecircuit,inwhichthepurelyresistiveloadandinductiveloadresistorrespectivelyfordataanalysisandwaveform
8、s,andtakemeasurestomakethefinaloutputofnearlysinusoidalwaveform.Keyword:RectifierfilterinverterIGBTPWMMATLAB目錄目錄第1章緒論11.1電力電子技術(shù)概況11.1.1電子電力技術(shù)基本概念11.1.2電