一种改进型相移加pwm控制双向dc%2fdc变换器地研究

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1、⣀߯ᗻໄᯢᴀҎໄᯢ᠔ਜѸⱘᄺԡ䆎᭛ᰃᴀҎ೼ᇐᏜᣛᇐϟ䖯㸠ⱘⷨおᎹ԰੠পᕫⱘⷨお៤ᵰˈ䰸њ᭛Ё⡍߿ࡴҹᷛ⊼੠㟈䇶П໘໪ˈ䆎᭛Ёϡࣙ৿݊ҪҎᏆ㒣থ㸼៪᪄ݭ䖛ⱘⷨお៤ᵰˈгϡࣙ৿Ў㦋ᕫ໽⋹໻ᄺ៪݊Ҫᬭ㚆ᴎᵘⱘᄺԡ៪䆕к㗠Փ⫼䖛ⱘᴤ᭭DŽϢ៥ϔৠᎹ԰ⱘৠᖫᇍᴀⷨお᠔خⱘӏԩ䋵⤂ഛᏆ೼䆎᭛Ё԰њᯢ⹂ⱘ䇈ᯢᑊ㸼⼎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㓽ॄ៪ᠿᦣㄝ໡ࠊ᠟↉ᄬǃ∛㓪ҹկᶹ䯙੠׳䯙DŽৠᛣᄺ᷵৥೑ᆊ᳝݇䚼䮼៪ᴎᵘ䗕Ѹ䆎᭛ⱘ໡ॄӊ੠⺕ⲬDŽ

2、˄ᆚⱘᄺԡ䆎᭛೼㾷ᆚৢ䗖⫼ᴀᥜᴗ䇈ᯢ˅ᄺԡ䆎᭛԰㗙ㅒৡ˖ᇐᏜㅒৡ˖ㅒᄫ᮹ᳳ˖ᑈ᳜᮹ㅒᄫ᮹ᳳ˖ᑈ᳜᮹ᨬ㽕᮹Ⲟࡴ࠻ⱘ⦃๗䯂乬᥼ࡼњঠ৥DC/DCবᤶ఼೼⬉ࡼ≑䔺㋏㒳ǃܝӣথ⬉㋏㒳ㄝ乚ඳⱘᑨ⫼ˈ㗠䖥ᑈᴹ⬉࡯⬉ᄤᡔᴃⱘ䖙⣯থሩՓঠ৥DC/DCবᤶ఼ⱘᗻ㛑ˈᬜ⥛䛑᳝ᕜ໻ᬍ୘ぎ䯈DŽ䆎᭛佪ܜᦤߎњϔ⾡⬅Cuk⬉䏃ऩܗ੠Buck-Boost⬉䏃ऩܗ㒘ড়ⱘঠ৥DC/DCবᤶ఼ⱘᢧᠥ㒧ᵘˈҹBoostᎹ԰῵ᓣЎ՟䆺㒚ߚᵤњঠ৥DC/DCবᤶ఼ⱘᎹ԰ॳ⧚੠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⬉⌕ᑨ࡯ǃ催⬉य़䕀ᤶ↨ㄝ⡍⚍DŽ䞡⚍

3、ⷨおњᬍ䖯ൟঠ৥DC/DCবᤶ఼ⱘࡼᗕᓎ῵੠᥻ࠊ㋏㒳ⱘ䆒䅵DŽ⫼⢊ᗕぎ䯈ᑇഛ⊩ᇍঠ৥DC/DCবᤶ఼䖯㸠њᓎ῵ߚᵤˈᕫߎњ㋏㒳ⱘ⢊ᗕぎ䯈ᑇഛᮍ⿟DŽ೼㋏㒳〇ᗕᎹ԰⚍䖯㸠ᇣোᡄࡼˈ㒣䖛ᇍᡄࡼᇣোⱘ㒓ᗻ࣪໘⧚ˈ᥼ᇐߎњ⬉䏃ⱘᇣোѸ⌕ᮍ⿟㒘ˈᑊ⬅ℸ᥼ᇐߎњ᥻ࠊ-䕧ߎⱘӴ䗦ߑ᭄DŽ䩜ᇍঠ৥DC/DCবᤶ఼䞛⫼⬉⌕ݙ⦃੠⬉य़໪⦃ⱘঠ䯁⦃᥻ࠊᮍᓣˈ䗮䖛bode೒ߚ߿ᇍ⬉⌕ٓ㸹њ㸠䖯⦃໪य़⬉⦃ݙ㔥㒰䆒䅵ˈᅲ⦄њঠ৥DC/DCবᤶ఼㡃དⱘ〇ᗕ੠ࡼᗕ⡍ᗻDŽ᳔ৢ䆒䅵њϔৄࡳ⥛Ў100Wⱘঠ৥DC/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˖ঠ৥D

4、C/DCবᤶ఼˗䕃ᓔ݇˗⬉य़ᑨ࡯˗⬉⌕ᑨ࡯˗ࡼᗕᓎ῵ABSTRACTTheincreasingenvironmentalproblemspromotemoreapplicationsofbidirectionalDC/DCconverterinthefieldofelectricvehiclesystemsandphotovoltaicgenerationsystem.DuetotherapiddevelopmentofPowerElectronicsTechnologyinrecentyears,therehavegreaterimprovementofbidirectionalDC/DC

5、converterinefficiencyandproperty.Firstofall,atopologystructureofbidirectionalDC/DCconverterisproposedinthispaper,whichconsistsoftheCukcircuitunitandBuck-Boostcircuitunit.TheWorkingPrinciplesofbidirectionalDC/DCconverterandacommutationprocessofaswitchingcycleareelaboratedonthebasisofBoostoperatingmo

6、de.Thesteady-stateofthesystemandtherangeofsoft-switchingaredescribedwiththemathematicalformulas,itisconcludedthatthesystemhasthecharacteristicsoftheZVSswitchrangewithafullload,lowvoltageandlowcurrentstress,highvoltageconversionratio,andsoon.Thedesignofdynamicmodelingcontrolsystemoftheimprovedbidire

7、ctionalDC/DCconverteriselaborated.TheanalysisofbidirectionalDC/DCconvertertakesadvantageofthemethodofthestate-spaceaveraging,andthestatespaceequationofsystemisobtained.Asmalldisturbancesignalisgiventotheste