牽引變電所斷路器智能單元設(shè)計(jì).pdf

1、西南交通大學(xué)碩士學(xué)位論文牽引變電所斷路器智能單元設(shè)計(jì)姓名：楊坤申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：電力系統(tǒng)及其自動(dòng)化指導(dǎo)教師：熊列彬201205西南交通大學(xué)碩士研究生學(xué)位論文第1I頁AbstractWiththepromotionofdigitalsubstationtechnologytheapplicationofdigitalsubstationinpowersystemhasbecomemorewidelyandtractionsubsta

2、tiondigitizationhasbecomeaninevitabletrendAtpresentthedomestichasbeguntoCalTyOUttheR&Dofdigitaltractionsubstationsystem，includingtheR&DofbreakerintelligentunitByfarthereisnomatureproductintroductionThereisanurgentneedtod

3、evelopbreakerintelligentunitforthedigitaltractionsubstationandinsuchabackground，thispaperwasproposedThispaperanalyzedthefunctionofbreakerintelligentunitindigitaltractionsubstationandgavetheprinciplestructureofthebreakeri

4、ntelligentunitandthenwrotethecorrespondingsoftwareaccordingtothefunctionofintelligentunit，thecontentsthatneedtobemonitoredbythebreakerWasanalyzed，thispaperverifiedthecontrolfunctionsofbreakerintelligentunitonthedeviceInt

5、hispaperbreakerintelligentunitoftractionsubstationWasdescribedindetailFortheonlinemonitoringfunctionofintelligentunitthecontentsthatneedtobemonitoredbythebreakerwasanalyzedandrealisticonlinemonitoringschemebasedonexistin

6、gconditionsWasgivenFortypicaltractionsubstationbecausebreakerhasdifferentcontrolfunctionthispaperanalyzedthecontrolobjeelsofthebreakerintelligentunitandgavethedistributionschemeofintelligentunitAccordingtothecharacterist

7、icsofthetypicaltractionsubstationthefunctionoftheintelligentunitneededWasdiscussed，andaccordingtothefunctionconfigurationthemainprinciplesandstructureofintelligentunitweregivenFinallytheswitchonoffprincipleoftheintellige

8、ntunitinGOOSEmessageWasgivenAboUtthecharacteristicsofdigitalsubstationandtheGOOSEcommunicationfunctionofintelligentunitthispapercardedoUttheanalysisandexplanationindetailFunctionsofthetractionsubstationbreakerintelligent

9、unitmianlyinclude：receivingandparsingtheGOOSEcommandssentbytheprotectionmeasurementandcontroldevicesaboUttheswitchon—offblockingandrcclosing；drivingtheoutputrelaytofinishthethecorrespondingcontrolfunctions，monitoringthes

10、tateofswitchgearanduploadingthesignaloftheswitchgearpositionstatusthroughtheGOOSEmessageinrealtimeeta1Then，thispapercompletedthesoftwaredesignofthebreakerintelligentunitundertheVxWorksoperatingsystemInVxWorks，theseevents

11、werefinishedthroughthereal—timetask，suchastheGOOSEmessagesendingandreceiving，readingtheinputstatusandfinishingtheoutputsignal，andsemaphoreswascommunicatedbetweenthesetasksDifferenttaskshavedifferentprioritiestoensurethat