150kw回旋行波管脉冲源系统的设计与实现

150kw回旋行波管脉冲源系统的设计与实现

ID:34109600

大小:3.27 MB

页数:70页

时间:2019-03-03

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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

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