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Split-Phase and Multi-Resonant Operation of Hybrid Switched-Capacitor Converters
Split-Phase and Multi-Resonant Operation of Hybrid Switched-Capacitor Converters
상세정보
- 자료유형
- 학위논문 서양
- 최종처리일시
- 20250211151459
- ISBN
- 9798384450177
- DDC
- 621.3
- 서명/저자
- Split-Phase and Multi-Resonant Operation of Hybrid Switched-Capacitor Converters
- 발행사항
- [Sl] : University of California, Berkeley, 2024
- 발행사항
- Ann Arbor : ProQuest Dissertations & Theses, 2024
- 형태사항
- 185 p
- 주기사항
- Source: Dissertations Abstracts International, Volume: 86-03, Section: B.
- 주기사항
- Advisor: Pilawa-Podgurski, Robert C. N.
- 학위논문주기
- Thesis (Ph.D.)--University of California, Berkeley, 2024.
- 초록/해제
- 요약Hybrid switched-capacitor (SC) converters have seen increased use in applications that demand both high efficiency and high power density. These converters exhibit the traditional benefits of pure SC converters, such as efficient utilization of switches and the use of energy-dense capacitors, along with lossless capacitor charge transfer due to the use of one or more augmenting inductors. Increased performance can also be obtained by using more complex control schemes than the traditional two-phase control common with pure switched-capacitor converters.Split-phase control, one such modified control scheme, is used to ensure full soft-charging of all flying capacitors in several hybrid switched-capacitor topologies belonging to the Dickson-derived class of converters. Here, capacitors are inserted into the switch-capacitor network in a staggered manner to ensure that they do not over- or under-charge in each phase, which would result in lossy hard-charging transitions. However, the time at which to insert these capacitors can change based on operating condition, component tolerance, and phase-ordering. This work will present an analysis of these effects, as well as describe specific control schemes and active-tuning methods that can ensure full soft-charging operation.In addition, other control schemes such as multi-resonant operation, can be utilized to achieve high-performance designs. Multi-resonant hybrid switched-capacitor converters operate with multiple operating phases per switching period, and can achieve the same conversion ratio as standard two-phase hybrid switched-capacitor converters with a fewer number of switches and capacitors, allowing for higher efficiency and power density design. One such topology, the cascaded series-parallel (CaSP) converter, will be analyzed, and several high-performance hardware prototypes designed for 48 V data center dc-dc power delivery will be presented.
- 일반주제명
- Electrical engineering
- 일반주제명
- Computer engineering
- 일반주제명
- Computer science
- 기타저자
- University of California, Berkeley Electrical Engineering & Computer Sciences
- 기본자료저록
- Dissertations Abstracts International. 86-03B.
- 전자적 위치 및 접속
- 로그인 후 원문을 볼 수 있습니다.
MARC
008250123s2024 us c eng d■001000017161900
■00520250211151459
■006m o d
■007cr#unu||||||||
■020 ▼a9798384450177
■035 ▼a(MiAaPQ)AAI31297700
■040 ▼aMiAaPQ▼cMiAaPQ
■0820 ▼a621.3
■1001 ▼aAbramson, Rose Antoinette.
■24510▼aSplit-Phase and Multi-Resonant Operation of Hybrid Switched-Capacitor Converters
■260 ▼a[Sl]▼bUniversity of California, Berkeley▼c2024
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2024
■300 ▼a185 p
■500 ▼aSource: Dissertations Abstracts International, Volume: 86-03, Section: B.
■500 ▼aAdvisor: Pilawa-Podgurski, Robert C. N.
■5021 ▼aThesis (Ph.D.)--University of California, Berkeley, 2024.
■520 ▼aHybrid switched-capacitor (SC) converters have seen increased use in applications that demand both high efficiency and high power density. These converters exhibit the traditional benefits of pure SC converters, such as efficient utilization of switches and the use of energy-dense capacitors, along with lossless capacitor charge transfer due to the use of one or more augmenting inductors. Increased performance can also be obtained by using more complex control schemes than the traditional two-phase control common with pure switched-capacitor converters.Split-phase control, one such modified control scheme, is used to ensure full soft-charging of all flying capacitors in several hybrid switched-capacitor topologies belonging to the Dickson-derived class of converters. Here, capacitors are inserted into the switch-capacitor network in a staggered manner to ensure that they do not over- or under-charge in each phase, which would result in lossy hard-charging transitions. However, the time at which to insert these capacitors can change based on operating condition, component tolerance, and phase-ordering. This work will present an analysis of these effects, as well as describe specific control schemes and active-tuning methods that can ensure full soft-charging operation.In addition, other control schemes such as multi-resonant operation, can be utilized to achieve high-performance designs. Multi-resonant hybrid switched-capacitor converters operate with multiple operating phases per switching period, and can achieve the same conversion ratio as standard two-phase hybrid switched-capacitor converters with a fewer number of switches and capacitors, allowing for higher efficiency and power density design. One such topology, the cascaded series-parallel (CaSP) converter, will be analyzed, and several high-performance hardware prototypes designed for 48 V data center dc-dc power delivery will be presented.
■590 ▼aSchool code: 0028.
■650 4▼aElectrical engineering
■650 4▼aComputer engineering
■650 4▼aComputer science
■653 ▼aHybrid switched-capacitor
■653 ▼aEnergy-dense capacitors
■653 ▼aDickson-derived class
■653 ▼aCapacitor converters
■653 ▼aHardware prototypes
■690 ▼a0544
■690 ▼a0984
■690 ▼a0464
■71020▼aUniversity of California, Berkeley▼bElectrical Engineering & Computer Sciences.
■7730 ▼tDissertations Abstracts International▼g86-03B.
■790 ▼a0028
■791 ▼aPh.D.
■792 ▼a2024
■793 ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17161900▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.
