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ID:51957027
大小:1.39 MB
页数:71页
时间:2020-03-20
《一种改进型相移加PWM控制的双向DCDC变换器研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、ϔ⾡ᬍ䖯ൟⳌ⿏ࡴPWMࠊⱘঠDC/DCবᤶ఼ⷨおResearchofAnImprovedPhase-ShiftPlusPWMControlBidirectionalDC/DCConverterᄺ⾥ϧϮ˖⬉⇨Ꮉⷨお⫳˖ދࠥ亲ᣛᇐᬭᏜ˖ᴢ᭠ࡃᬭᥜ⋹ᄺ⬉⇨Ϣ㞾ࡼ࣪Ꮉᄺ䰶Ѡ䳊ϔѠᑈकѠ᳜⣀߯ᗻໄᯢᴀҎໄᯢ᠔ਜѸⱘᄺԡ䆎᭛ᰃᴀҎᇐᏜᣛᇐϟ䖯㸠ⱘⷨおᎹপᕫⱘⷨお៤ᵰˈ䰸њ᭛Ё⡍߿ࡴҹᷛ⊼㟈䇶П໘ˈ䆎᭛Ёϡࣙ݊ҪҎᏆ㒣থ㸼᪄ݭ䖛ⱘⷨお៤ᵰˈгϡࣙЎ㦋ᕫ⋹ᄺ݊Ҫᬭ㚆ᴎᵘⱘᄺԡ䆕к㗠Փ⫼䖛ⱘᴤ᭭DŽϢ៥ϔৠᎹⱘৠᖫᇍᴀⷨお᠔خⱘӏԩ䋵⤂ഛᏆ䆎᭛Ёњᯢ⹂ⱘ䇈ᯢᑊ㸼⼎
2、њ䇶ᛣDŽᄺԡ䆎᭛㗙ㅒৡ˖ㅒᄫ᮹ᳳ˖ᑈ᳜᮹ᄺԡ䆎᭛⠜ᴗՓ⫼ᥜᴗкᴀᄺԡ䆎᭛㗙ᅠܼњ㾷⋹ᄺ᳝݇⬭ǃՓ⫼ᄺԡ䆎᭛ⱘ㾘ᅮDŽ⡍ᥜᴗ⋹ᄺৃҹᇚᄺԡ䆎᭛ⱘܼ䚼䚼ߚݙᆍ㓪᭄ܹ᳝݇ᑧ䖯㸠Ẕ㋶ˈᑊ䞛⫼ᕅॄǃ㓽ॄᠿᦣㄝࠊ↉ᄬǃ∛㓪ҹկᶹ䯙׳䯙DŽৠᛣᄺ᷵ᆊ᳝݇䚼䮼ᴎᵘ䗕Ѹ䆎᭛ⱘॄӊ⺕ⲬDŽ˄ᆚⱘᄺԡ䆎᭛㾷ᆚৢ䗖⫼ᴀᥜᴗ䇈ᯢ˅ᄺԡ䆎᭛㗙ㅒৡ˖ᇐᏜㅒৡ˖ㅒᄫ᮹ᳳ˖ᑈ᳜᮹ㅒᄫ᮹ᳳ˖ᑈ᳜᮹ᨬ㽕᮹Ⲟࡴ࠻ⱘ⦃๗䯂乬ࡼњঠDC/DCবᤶ఼⬉ࡼ≑䔺㋏㒳ǃܝӣথ⬉㋏㒳ㄝ乚ඳⱘᑨ⫼ˈ㗠䖥ᑈᴹ⬉⬉ᄤᡔᴃⱘ䖙⣯থሩՓঠDC/DCবᤶ఼ⱘᗻ㛑ˈᬜ⥛䛑᳝ᕜᬍぎ䯈DŽ䆎᭛佪ܜᦤߎњϔ⾡⬅Cu
3、k⬉䏃ऩܗBuck-Boost⬉䏃ऩܗ㒘ড়ⱘঠDC/DCবᤶ఼ⱘᢧᠥ㒧ᵘˈҹBoostᎹᓣЎ՟䆺㒚ߚᵤњঠDC/DCবᤶ఼ⱘᎹॳ⧚ϔϾᓔ਼݇ᳳTsݙⱘᤶ⌕䖛DŽ⫼᭄ᄺ㸼䖒ᓣᦣ䗄њ㋏㒳ⱘ〇ᗕ⡍ᗻ䕃ᓔ݇㣗ೈˈᕫߎ㋏㒳᳝ܼ䋳䕑䳊⬉य़˄ZVS˅ᓔ݇㣗ೈǃԢ⬉य़⬉⌕ᑨǃ催⬉य़䕀ᤶ↨ㄝ⡍⚍DŽ䞡⚍ⷨおњᬍ䖯ൟঠDC/DCবᤶ఼ⱘࡼᗕᓎࠊ㋏㒳ⱘ䆒䅵DŽ⫼⢊ᗕぎ䯈ᑇഛ⊩ᇍঠDC/DCবᤶ఼䖯㸠њᓎߚᵤˈᕫߎњ㋏㒳ⱘ⢊ᗕぎ䯈ᑇഛᮍDŽ㋏㒳〇ᗕᎹ⚍䖯㸠ᇣোᡄࡼˈ㒣䖛ᇍᡄࡼᇣোⱘ㒓ᗻ࣪໘⧚ˈᇐߎњ⬉䏃ⱘᇣোѸ⌕ᮍ㒘ˈᑊ⬅ℸᇐߎњࠊ-䕧ߎⱘӴ䗦ߑ᭄DŽ䩜ᇍঠDC/DCব
4、ᤶ఼䞛⫼⬉⌕ݙ⦃⬉य़⦃ⱘঠ䯁⦃ࠊᮍᓣˈ䗮䖛bodeߚ߿ᇍ⬉⌕ٓ㸹њ㸠䖯⦃य़⬉⦃ݙ㔥㒰䆒䅵ˈᅲ⦄њঠDC/DCবᤶ఼㡃དⱘ〇ᗕࡼᗕ⡍ᗻDŽ᳔ৢ䆒䅵њϔৄࡳ⥛Ў100WⱘঠDC/DCবᤶ఼ḋᴎDŽḋᴎ䆒䅵ࣙᣀЏ⬉䏃䆒䅵˄বय़఼䆒䅵ˈ䕧ܹ⬉ᛳ䆒䅵ǃᓔ݇ㅵ䗝ൟ˅ˈ偅ࡼ⬉䏃䆒䅵ˈ䞛ḋ⬉䏃䆒䅵DŽ݇䬂䆡˖ঠDC/DCবᤶ఼˗䕃ᓔ݇˗⬉य़ᑨ˗⬉⌕ᑨ˗ࡼᗕᓎABSTRACTTheincreasingenvironmentalproblemspromotemoreapplicationsofbidirectionalDC/DCconverterinthefieldofelectricv
5、ehiclesystemsandphotovoltaicgenerationsystem.DuetotherapiddevelopmentofPowerElectronicsTechnologyinrecentyears,therehavegreaterimprovementofbidirectionalDC/DCconverterinefficiencyandproperty.Firstofall,atopologystructureofbidirectionalDC/DCconverterisproposedinthispaper,whichconsistsoftheCukcirc
6、uitunitandBuck-Boostcircuitunit.TheWorkingPrinciplesofbidirectionalDC/DCconverterandacommutationprocessofaswitchingcycleareelaboratedonthebasisofBoostoperatingmode.Thesteady-stateofthesystemandtherangeofsoft-switchingaredescribedwiththemathematicalformulas,itisconcludedthatthesystemhasthecharact
7、eristicsoftheZVSswitchrangewithafullload,lowvoltageandlowcurrentstress,highvoltageconversionratio,andsoon.ThedesignofdynamicmodelingcontrolsystemoftheimprovedbidirectionalDC/DCconverteriselaborated.Theanalysisofbidirectional
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