一种改进型相移加PWM控制的双向DCDC变换器研究.pdf

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1、ϔ⾡ᬍ䖯ൟⳌ⿏ࡴPWM᥻ࠊⱘঠ৥DC/DCবᤶ఼ⷨおResearchofAnImprovedPhase-ShiftPlusPWMControlBidirectionalDC/DCConverterᄺ⾥ϧϮ˖⬉⇨Ꮉ⿟ⷨお⫳˖ދࠥ亲ᣛᇐᬭᏜ˖ᴢ᭠ࡃᬭᥜ໽⋹໻ᄺ⬉⇨Ϣ㞾ࡼ࣪Ꮉ⿟ᄺ䰶Ѡ䳊ϔѠᑈकѠ᳜⣀߯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

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㓽ॄ៪ᠿᦣㄝ໡ࠊ᠟↉ᄬǃ∛㓪ҹկᶹ䯙੠׳䯙DŽৠᛣᄺ᷵৥೑ᆊ᳝݇䚼䮼៪ᴎᵘ䗕Ѹ䆎᭛ⱘ໡ॄӊ੠⺕ⲬDŽ˄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⬅Cu

3、k⬉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⚍ⷨ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/DCব

4、ᤶ఼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৥DC/DCবᤶ఼˗䕃ᓔ݇˗⬉य़ᑨ࡯˗⬉⌕ᑨ࡯˗ࡼᗕᓎ῵ABSTRACTTheincreasingenvironmentalproblemspromotemoreapplicationsofbidirectionalDC/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