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2018•Unpublished venueRequires access

A Method for Designing Resonant Tank of Half-Bridge Three-Level LLC Converter

Guitao Chen, Haiping Li, Xiangdong Sun, Yupeng Wang

Open publisher page 9 citations

Abstract

With the advantage of the voltage stress is only half of the input voltage, the three-level converter has been widely used in the application fields of high power DC-DC power supply and electric vehicle. In the paper, on the basis of working principle of half-bridge three-level LLC resonant converter, the relationship among resonant tank parameters, dead-time and soft-switching conditions of power switches are discussed. Then a method for designing resonant tank of the half-bridge three-level LLC Converter is studied. Finally, a 3.3kW prototype is built to verify the theoretical analysis.

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What this paper is about

With the advantage of the voltage stress is only half of the input voltage, the three-level converter has been widely used in the application fields of high power DC-DC power supply and electric vehicle. In the paper, on the basis of working principle of half-bridge three-level LLC resonant converter, the relationship among resonant tank parameters, dead-time and soft-switching conditions of power switches are discussed. Then a method for designing resonant tank of the half-bridge three-level LLC Converter is studied. Finally, a 3.3kW prototype is built to verify the theoretical analysis.

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OpenAlex reports 9 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

With the advantage of the voltage stress is only half of the input voltage, the three-level converter has been widely used in the application fields of high power DC-DC power supply and electric vehicle. In the paper, on the basis of working principle of half-bridge three-level LLC resonant converter, the relationship among resonant tank parameters, dead-time and soft-switching conditions of power switches are discussed. Then a method for designing resonant tank of the half-bridge three-level LLC Converter is studied. Finally, a 3.3kW prototype is built to verify the theoretical analysis.

Key concepts: Bridge (graph theory), Half bridge, Engineering, Computer science, Electrical engineering, Capacitor, Voltage, Internal medicine

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