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새로운 DC-DC 양방향 컨버터에 대한 연구
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.advisor | 김성환 | - |
| dc.contributor.author | 허재정 | - |
| dc.date.accessioned | 2019-12-16T02:42:29Z | - |
| dc.date.available | 2019-12-16T02:42:29Z | - |
| dc.date.issued | 2017 | - |
| dc.identifier.uri | http://repository.kmou.ac.kr/handle/2014.oak/11389 | - |
| dc.identifier.uri | http://kmou.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000002331209 | - |
| dc.description.abstract | Since electronically controlled engines & electric propulsion ships were introduced, the importance of UPS(Uninterruptible Power Supply) on emergency power supply devices which use battery has been emphasized recently. The bidirectional converter is a crucial component on emergency power supply device. In this paper, a new DC-DC bidirectional converter is presented. The conversion ratio of the proposed converter is one fourth of the conventional buck converter in step-down mode and four times higher than conventional boost converter in step up mode. The voltage stress of switches in the proposed converter is one quarter of high side voltage before and after turning on /off switches. Moreover, due to charge balance of its blocking capacitors, the proposed converter can distribute equal currents between two interleaved modules without using any extra current-sharing control method. The features, operating principles, and theoretical analysis of the proposed bidirectional converter are presented. By using PSIM software, the theoretical analysis validation of a 50/400V, 480W converter has been verified. | - |
| dc.description.tableofcontents | 목차 목 차 ⅰ 그림 목차 ⅲ 표 목차 ⅳ Abstract ⅴ 기호 및 약어 ⅶ 1. 서론 1 1.1 연구배경 및 동향 1 1.2 연구 목적 2 1.3 논문의 구성 3 2. DC-DC 컨버터의 종류 및 기능 4 2.1 Buck 컨버터 4 2.2 Boost 컨버터 11 2.3 Buck - Boost 컨버터 15 3. DC-DC 양방향 컨버터 21 3.1 기존의 Buck/boost DC-DC 양방향 컨버터 21 3.2 제안 된 양방향 DC-DC 양방향 컨버터 24 3.2.1 제안된 양방향 컨버터의 작동원리 24 3.2.2 제안된 양방향 컨버터의 특성 37 3.2.3 인덕터 설계 40 4. 시뮬레이션 42 4.1 기존의 Buck/Boost DC-DC 양방향 컨버터 시뮬레이션 42 4.2 제안된 DC-DC 양방향 컨버터 시뮬레이션 46 5. 결론 51 참고 문헌 52 | - |
| dc.format.extent | 62 | - |
| dc.language | kor | - |
| dc.publisher | 한국해양대학교 대학원 | - |
| dc.rights | 한국해양대학교 논문은 저작권에 의해 보호받습니다. | - |
| dc.title | 새로운 DC-DC 양방향 컨버터에 대한 연구 | - |
| dc.type | Dissertation | - |
| dc.date.awarded | 2017-02 | - |
| dc.contributor.alternativeName | Hur, Jae Jung | - |
| dc.contributor.department | 대학원 기관시스템공학과 | - |
| dc.contributor.affiliation | 한국해양대학교 대학원 | - |
| dc.description.degree | Master | - |
| dc.subject.keyword | UPS, bidirectional converter | - |
| dc.type.local | Text | - |
| dc.title.translated | A Study on the New DC-DC Bidirectional Converter | - |
| dc.contributor.specialty | 선박전기전자제어공학 | - |
| dc.identifier.holdings | 000000001979▲000000006780▲000002331209▲ | - |
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