单相交-直-交变频电路的设计及性能研究

摘要摘要随着电力电子技术、计算机技术以及自动控制技术的快速发展，单相交-直-交变频系统也得到了迅速发展，它显著的变频能力，广泛的应用范围，完善的保护效力，和易于实现的变频功能，获到了广大使用者的认可，在运行的安全可靠、安装使用以及维修维护等方面，也给使用者带来了极大的益处。课题研究的单相交-直-交变频电路设计主要分为主电路和控制电路两部分，其中主电路还分为整流电路、滤波电路和单相桥式PWM逆变电路，而逆变部分则需要用到控制电路，控制电路分为控制电路、驱动电路和保护电路。课题的整流部分选用不可控的桥式整流电路；滤波部分则选用LC低通滤波，获得高频率的交流正弦波输出；逆变部分选用四个IGBT管组成的单相桥式逆变电路。控制电路主要以单片集成函数发生器ICL8038为核心设计的，生成两路PWM信号用来分别控制两对IGBT管；驱动电路则是选用了具备电气隔离的集成驱动芯片M57962L；保护电路选用双D触发器CD4013。用MATLAB软件仿真出设计的电路，其中对纯电阻负载以及电阻电感负载分别进行数据和波形的分析，并采取相关措施使最后输出的波形接近正弦波。关键词：整流滤波逆变IGBTPWMMATLABAbstractAbstractWiththerapiddevelopmentofpowerelectronicstechnology,computertechnology,automaticcontroltechnology,single-phaseorthogonalfrequencysystemhasbeendevelopingrapidly,itsremarkablefrequencycapability,awiderangeofapplications,perfectprotection,aswellaseasytoimplementtheconversionfunction,hasbeenrecognizedbythemajorityofusersinthesafeandreliableoperation,installation,repairandmaintenance,etc.,butalsotobringusersgreatconvenience.ResearchofsinglephaseAC-DC-ACinvertercircuitdesigndividedintothemaincircuitandcontrolcircuit,whichcanbedividedintothemaincircuitrectifiercircuit,filtercircuitandsingle-phasebridgePWMinvertercircuit,andinvertercontrolpartoftheneedtousecircuit,thecontrolcircuitisdividedintoacontrolcircuit,drivecircuitandprotectioncircuit.Subjectrectifierbridgerectifierusinguncontrollable;filteringsectionusingLClow-passfiltertoobtainahigh-frequencysinewaveACoutput;inverterpartofthesingle-phasebridgeinvertercircuitcomposedoffourIGBTtube.MonolithicintegratedcontrolcircuitICL8038functiongeneratorcoredesignedtogeneratetwoPWMsignalstocontrolthetwopairsofIGBT;drivecircuitistheuseofintegrateddriverchipM57962Lwithelectricalisolation;protectioncircuitusesdualDflip-flopCD4013.UsingMATLABsoftwaresimulationofthedesignofthecircuit,inwhichthepurelyresistiveloadandinductiveloadresistorrespectivelyfordataanalysisandwaveforms,andtakemeasurestomakethefinaloutputofnearlysinusoidalwaveform.Keyword:RectifierfilterinverterIGBTPWMMATLAB目录I目录第1章绪论.................................................................................................................................11.1电力电子技术概况.......................................................................................................11.1.1电子电力技术基本概念..................................................................................11.1.2电力电子技术的基本应用.............................................................................11.2课题的设计内容...........................................................................................................2第2章单相交-直-交变频电路的总体设计........................................................................32.1总体框图.........................................................................................................................32.2总电路设计....................................................................................................................42.2.1主电路原理图....................................................................................................42.2.2整流电路.............................................................................................................42.2.3滤波电路.............................................................................................................62.2.4逆变电路.............................................................................................................6第3章逆变部分的电路组成.................................................................................................93.1主电路.............................................................................................................................93.2驱动电路......................................................................................................................103.3控制电路......................................................................................................................13第4章MATLAB的仿真与分析........................................................................................164.1MATLAB简介与使用...............................................................................................164.1.1MATLAB简介.................................................................................................164.1.2MATLAB（Simulink）简介.........................................................................164.1.3MATLAB(Simulink)的基本使用.................................................................174.2MATLAB的仿真........................................................................................................184.2.1仿真电路图......................................................................................................184.2.2仿真模型使用模块及参数设置..................................................................184.3仿真的分析..................................................................................................................224.3.1整流与滤波输出电压计算与仿真..............................................................224.3.2逆变输出电压与仿真....................................................................................244.3.3负载对波形的影响.................