具有組合功能的智能化通用正弦逆變電源的研制.pdf

1、合肥工業(yè)大學(xué)碩士學(xué)位論文具有組合功能的智能化通用正弦逆變電源的研制姓名：劉慧文申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：電力電子及電力傳動(dòng)指導(dǎo)教師：蘇建徽2003.5.1TheDevelopmentofanIntelligentizedGeneralSineInverterwiththefunctionofcombinationAbstractAsanequipmentofDCtoACpowerconversion，sineinvertertakes0n

2、thebroadmarketinbothindustryandfolkapplicationsInthepaperawholedigitalsineinverterisintroduced，whichisuniversal，pmgranunable，intelligentized，andcombinabletAtthebeginning，thebasictopologyandworkingtheoryoftheinvertingcirc

3、uitisintroducedFollowing，thepaperanalysesanddiscussestheissuesofhardwarecomposing，parameterchoice，controllingmethods，andsoftwareimplementinginthesystemFinallythree5KWsineinvertershavebeendevelopedsuccessfullyandtheautosy

4、nchronousoperationofthethreesinglephaseinvertersisimplementedAnewcontrollingmethodtotheautosynchronousoperationofthethreesinglephaseinvertersisissuedinthepaperthatis。threeindependentsingle‘phaseinverterscanimplementthree

5、phasesymmetricalACoutputbybeingconnectedwitheachotherwhichcanavoidtheeffecttotheoutputoftheinverterbecauseoftheasymmetricloadThesystemiscomposedofinveningsubsystemandmonitoringsubsystem，whichhasthefunctionsofkeyboardmoni

6、toringandLCDdisplayManykindsoffaultsauto—examiningfunctionsareprovidedinthesystemalso，anditsprogrammabledesignisadaptedtomanyoccasionsItisprovedbyexperimentingthatthecircuitcansolvetheproblemofthreephaseasymmetricloadeff

7、ectivelyTheLCDdisplayisdesignedasthemodeofChinesemenuwhichhasthefriendlyinterfaceandthefunctionsofscrollingdisplayandreversedisplayetcUsingtheMCUW77E58asthekeychipwhichhasthedualserialports，thestandardRS485interfaceisuse

8、dinthecommunicationofthesystemMeanwhile，alltheparametersofthesystemstatecanbemonitoringbyLCDdisplayandthecomputerThepaperalsoanalysestheperformanceofthesample，furthermore，accordingasthedevelopingtrendoftheinveningfield，i