基于網(wǎng)絡的異步電機保護裝置設計

1、西安理工大學碩士學位論文基于網(wǎng)絡的異步電機保護裝置設計姓名：郝婧申請學位級別：碩士專業(yè)：模式識別與智能系統(tǒng)指導教師：劉軍石文淵20080301西安理工大學碩士學位論文Title：ASYNCHRONOUSMOTORPROTECTIVEDEVICEBASEDONNETWORKMajor：PatternRecognitionandintelligentSystemName：JingHAOSupervisor：ProfJunLIUSIgnatU

2、re：’，signature：絲盎竺AssistSupervisor：AssociateProWenyuanShisignature一AbstractAsynchronousmotor，whichisoneofthemostpopularkindsofmotors，iswidelyusedinthecorporateenterprisesAccordingtostatistics，powerdrive，mostofwhicharcthr

3、ee—phaseACasynchronousmotors，accountsforabout60percentofthetotalloadinthepowernetworksSoit’SgreatlysignificanttoprohibitthethreephaseACasynchronousmotorfromdamageaccidentlyInrecentyears，withthedevelopmentofcomputertechno

4、logyandelectronics，computerintegratedprotectionsystemswiththecoreofthemicroprocessorareputintoserviceComparedwiththetraditionalsystemofprotection，thenewprotectionsystemhaspowerfullogicanalysisandprocessingcapabilitiesThe

5、faultcallberecordedandanalyzedtooAndthissignificantadvantagesbecomethemaindevelopingdirectionofmotorprotectiondeviceThecomprehensiveprotectionoftheelectricalsystemresearchedinthispaperisunderthisbackgroundThistheoryofsym

6、metricalcomponentsmethodisusedtoanalyzethevarietiesofsymmetricalandasymmetricalfaultsofmotorandthemeasuringmethodofnegativeandzerosequenceisadoptedinthispaperEspeciallytheprotectionofoverloadconditionisresearchedThemotor

7、faultsofoverloadingshortcircuit，phasefailure，over—voltage，undervoltagecanbedealtwithbythedeviceThedevicewiththe32bitsMPUAT91SAM7S64designedThehardwareofthedeviceconsistsofmonitoringandcontrolparts，signalconditioningandou

8、tputcontrolmodules，analysisandprocessingmodules，interactivemodules，communicationmodules，andthepracticalprogramsisdesigned，bymakingfulluseofMPUAT91SAM7S64powerfulcapturefunctiontooutsideeventandstrongabilityoftreatmenttos