Analysis and design of energy efficient Interleaved DC-DC SEPIC PFC converter for Onboard Electric Vehicle Charger

Analysis and design of energy efficient Interleaved DC-DC SEPIC PFC converter for Onboard Electric Vehicle Charger | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Analysis and design of energy efficient Interleaved DC-DC SEPIC PFC converter for Onboard Electric Vehicle Charger Komathi C, Durgadevi S, Umamaheswari M.G, Marimuthu G This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-2310347/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract Interleaved DC-DC single ended primary inductance converter (SEPIC) employed as switched mode DC-DC converter to suppress input current harmonics in onboard charger of Electric Vehicle (EV) is investigated in this paper. In order to reduce the ripple currents at the input side effectively, the suggested converter connects two SEPIC converters in parallel with 180 degree phase shift and the expression for ripple cancellation factor is derived. The switches in interleaved converters experience 50% lesser current stress than the non-interleaved converters. This paper analyzes the current stress of MOSFET switches and diodes of Interleaved DC-DC SEPIC converter and conventional SEPIC converter. This paper implements control strategy based on hybrid particle swarm optimization grey wolf optimization (HPSOGWO) algorithm to suppress current harmonics and to obtain high tracking accuracy with faster convergence rate. The proposed HPSOGWO based control technique enhances the performance of the existing solutions in terms of input power factor, %efficiency, %voltage regulation and %total harmonic distortion (THD) for the onboard charger. The performance enhancement of HPSOGWO algorithm is tested by non-parametric method of statistical analysis called Kruskal Wallis-One way Analysis of Variance using R programming. The converter’s hardware prototype is built for 200W output power, and the simulation results are supported by experimental results with TMS320F28027 microcontroller. Interleaved SEPIC Converter THD HPSOGWO algorithm Onboard Charger PFC Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. 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Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-2310347","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":155202121,"identity":"20acbf6b-ee6b-4ddd-8b2a-8b368af379fd","order_by":0,"name":"Komathi C","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA3klEQVRIiWNgGAWjYBACCRDB2CDBwMbMfADElyFOy0GgFj52tgQQn4dYLQwMcvw8BiA2YS2S7d2Jnz/usJBnY+b5/OpGjQUPA/vhoxvwaZHmObtZ4uAZCcM2Zt5t1jnHgA7jSUu7gU+LnETuBomDbRIJbEAtxjlsQC0SPGaEtGz+AdHC88w45x8RWqQlcrdBbeFhfpzbRoQWyZ6z2yzOtoH8wmbGnNsnwcNGyC8Sx3s336hsq5OX7z/8+HPOtzo5fvbDx/BqQQZs4EhiI1Y5CDB/IEX1KBgFo2AUjBwAAM2IQVY1AX1QAAAAAElFTkSuQmCC","orcid":"","institution":"Sri Sai Ram Engineering College","correspondingAuthor":true,"submittingAuthor":false,"prefix":"","firstName":"Komathi","middleName":"","lastName":"C","suffix":""},{"id":155202122,"identity":"5626ef86-a947-4ad9-8f4d-6cabf9a0a845","order_by":1,"name":"Durgadevi S","email":"","orcid":"","institution":"Sri Sai Ram Engineering College","correspondingAuthor":false,"submittingAuthor":false,"prefix":"","firstName":"Durgadevi","middleName":"","lastName":"S","suffix":""},{"id":155202123,"identity":"f451aa5c-a0a6-418f-9cc5-da99d4c3c072","order_by":2,"name":"Umamaheswari M.G","email":"","orcid":"","institution":"Rajalakshmi Engineering College","correspondingAuthor":false,"submittingAuthor":false,"prefix":"","firstName":"Umamaheswari","middleName":"","lastName":"M.G","suffix":""},{"id":155202124,"identity":"34202cd3-f0aa-4beb-9f1d-001a1209531b","order_by":3,"name":"Marimuthu G","email":"","orcid":"","institution":"RMK Engineering College","correspondingAuthor":false,"submittingAuthor":false,"prefix":"","firstName":"Marimuthu","middleName":"","lastName":"G","suffix":""}],"badges":[],"createdAt":"2022-11-24 19:59:16","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-2310347/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-2310347/v1","draftVersion":[],"editorialEvents":[],"editorialNote":"","failedWorkflow":false,"files":[{"id":34113855,"identity":"d173da19-79dd-496e-b102-fc35b3831133","added_by":"auto","created_at":"2023-03-12 03:14:37","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":584032,"visible":true,"origin":"","legend":"","description":"","filename":"serbspringer2columnpaper.pdf","url":"https://assets-eu.researchsquare.com/files/rs-2310347/v1_covered.pdf"},{"id":29699740,"identity":"ce66cfa7-ecba-4c72-9d2f-65aaf5de35ae","added_by":"auto","created_at":"2022-11-30 04:42:08","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":578321,"visible":true,"origin":"","legend":"","description":"","filename":"serbspringer2columnpaper.pdf","url":"https://assets-eu.researchsquare.com/files/rs-2310347/v1_covered.pdf"}],"financialInterests":"No competing interests reported.","formattedTitle":"Analysis and design of energy efficient Interleaved DC-DC SEPIC PFC converter for Onboard Electric Vehicle Charger","fulltext":[],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":false,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":true,"highlight":"","institution":"","isAcceptedByJournal":false,"isAuthorSuppliedPdf":true,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":false,"isPdf":true,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"researchsquare","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":true,"externalIdentity":"","sideBox":"","snPcode":"","submissionUrl":"/submission","title":"Research Square","twitterHandle":"researchsquare","acdcEnabled":true,"dfaEnabled":false,"editorialSystem":"","reportingPortfolio":"","inReviewEnabled":false,"inReviewRevisionsEnabled":true},"keywords":"Interleaved SEPIC Converter, THD, HPSOGWO algorithm, Onboard Charger, PFC","lastPublishedDoi":"10.21203/rs.3.rs-2310347/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-2310347/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eInterleaved DC-DC single ended primary inductance converter (SEPIC) employed as switched mode DC-DC converter to suppress input current harmonics in onboard charger of Electric Vehicle (EV) is investigated in this paper. In order to reduce the ripple currents at the input side effectively, the suggested converter connects two SEPIC converters in parallel with 180 degree phase shift and the expression for ripple cancellation factor is derived. The switches in interleaved converters experience 50% lesser current stress than the non-interleaved converters. This paper analyzes the current stress of MOSFET switches and diodes of Interleaved DC-DC SEPIC converter and conventional SEPIC converter. This paper implements control strategy based on hybrid particle swarm optimization grey wolf optimization (HPSOGWO) algorithm to suppress current harmonics and to obtain high tracking accuracy with faster convergence rate. The proposed HPSOGWO based control technique enhances the performance of the existing solutions in terms of input power factor, %efficiency, %voltage regulation and %total harmonic distortion (THD) for the onboard charger. 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