研究目的
Investigating the feasibility of high power density inductively coupled contactless dc connectors (ICCCs) for the next-generation 380-V dc distribution system in data centers.
研究成果
The proposed inductively coupled contactless dc connector based on GaN LLC converter topology demonstrates high efficiency and power density, contributing to the development of highly efficient, space-saving, and reliable future 380-V dc distribution systems in data centers.
研究不足
The study is focused on short-distance power transfer and may not be directly applicable to longer distances without modifications. The prototype's performance is tested under controlled conditions, and real-world applications may present additional challenges.
1：Experimental Design and Method Selection:
The study employs an LLC resonant dc–dc converter topology with gallium nitride (GaN) power transistors for short-distance highly efficient contactless power transfer.
2：Sample Selection and Data Sources:
A prototype of a
3：2-kW 384- to 192-V connector is fabricated and tested. List of Experimental Equipment and Materials:
GaN-HEMTs, SiC-SBDs, and MC2 magnetic core material are used.
4：Experimental Procedures and Operational Workflow:
The prototype is tested under 1000-kHz operation to confirm conversion efficiency and power density.
5：Data Analysis Methods:
The relationship between power density and efficiency is analyzed, and design considerations for achieving higher power density are discussed.
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