Design and Implementation of High Power Density Three-Level Parallel Resonant Converter for Capacitor Charger

Hui Sheng,Wenchung Shen,Huanchen Wang, Dongjin Fu,Yi Pei,Xiaofeng Yang,Feng Wang,Dushan Boroyevich,Fred C Lee,C W Tipton

APEC 2007: TWENTY-SECOND ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, VOLS 1 AND 2（2007）

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摘要

This paper describes the design and implementation of a prototype 30kW, 200kHz pulsed power supply. A power density greater than 100W/inch(3) is achieved with the converter operating at a high ambient temperature of 65 degrees C, by utilizing various technologies on topology, control, devices, passives, and thermal management, which can help reduce the converter size. The experimental results demonstrate that the converter meets the performance requirements while achieving the high power density.

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关键词

thermal management,energy management,capacitors,temperature measurement,technology management,topology,power density,prototypes,resonance,resonant frequency,ambient temperature,schottky diodes,switches,temperature control

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