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1、ABSTRACTABSTRACTGyro-travelling-wavetubeiswidelyusedinradar,electroniccountermeasures,communications,navigation,satelliteremotesensingandremotesensingfieldduetoitsadvantageofbandwidth,gain,dynamicrangeandnoiseetc,.SincehighvoltagepulsepowerisoneofthemostimportantpartsinthesystemofaCyclotro
2、nTWT,theperformanceofthepowersupplywilldirectlyaffecttheworkingstateofcyclotroncathode.Theneedsforhighvoltage,highpower,andstableandreliableperformanceofhighvoltagepulsepowersupplyisbecomingmoreandmoreurgent.Atpresent,thetraditionallinearmodulatorisadoptedinthesimilarhighvoltagepowersupply
3、usedinChina.Duetothelarge-sizedPFN,expensivevacuumtubeandcomplexauxiliarycircuit,thesystemisofhugevolume,complexstructureandlowefficiency,whichgreatlyaffectthereliabilityofthemachine.Duetotheconstantprogressofthenewmaterialsandtechnology,therapiddevelopmentofsemiconductordeviceprovidesagoo
4、dconditiontosolvetheaboveproblem.Anditisgraduallyappliedinthefieldssuchasradarandaccelerator,obtaininggreatachievements.Basedonabove-mentionedproblems,theresearchsubjectofthepaperisthedesignandrealizationof150kWGyro-travelling-wavetubepulsesourcesystem.Andtheresearchmainlyfocusonthephasesh
5、iftingfullbridgeswitchingpowersupply,seriesparalleltechnologyofsolid-stateswitchandPCcontrolbasedonPPIprotocol.Themainresearchcontentsareasfollows:1）ThemethodofrealizingthehighpowerandhighvoltageDCpowersupplyisstudiedandparalleledresonantinvertingwithstabledfrequencyisputforward.Thephasesh
6、iftcontrolmethodwhichwasadoptedtorealizeoutputofhighvoltageDCpowersupplyisputforwardtomeettherequirementofthehighpoweroutput.Theoutputmethodofseveralpowersuppliesinparallelisusedtoachieveoutputpower.Synchronizedsignalcontrolmethodisadoptedtomakesixpowersuppliesworkatthesametimetosatisfythe
7、requirementofpowersupply’soutputripple.Andthevoltageparametersareusedasthecontrolvariableofclosedloop,sotheoutputrequirementsofhighpowerandhighvoltagepowersupplyarerealized.2）TheapplicationproblemsofseriesandparallelconnectedsolidstateswitchII万方数据ABSTRACTdevic
