基于碳化硅器件的无线充电系统电源设计
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TM724

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国家自然科学基金资助项目(51877036);国家电网有限公司科技项目"电动汽车无线充电系统系列化设计与装备研制"

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    摘要:

    碳化硅(SiC)器件耐高频高温、散热性能好、导通电阻小,应用于无线充电系统可有效提高无线充电系统的效率。文中首先对比了SiC材料与Si材料的特性,在此基础上研制了一套基于SiC器件的无线充电系统电源装置。该装置由整流模块和逆变模块构成,输入端接市电,且装置的整流模块具有功率因数校正功能。文中详细给出了整流模块的整流桥选型策略、滤波电路参数设计方法、Boost电路功率器件和无源元件设计原则及开关管控制电路设计方法,还给出了逆变模块的开关管选型策略、开关管驱动电路和开关管保护电路的设计方法。最后,实验结果验证了方案的有效性和可行性,输入侧实现了高功率因数,逆变电路开关管电压振荡得到抑制,实验样机的效率峰值可达98.2%。

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Design of transmitter power supply for wireless charging system based on SiC device
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    Abstract:

    SiC devices have advantages in high frequency and high temperature occasions. Applying SiC devices to wireless charging systems can effectively improve the efficiency of wireless charging systems. Firstly,the characteristics of SiC material and Si material are compared firstly. Based on this,a set of power supply device for wireless charging system based on SiC device is developed. The device consists of rectifier module and inverter module. The input terminal is connected to mains electricity. The rectifier module has a power factor correction function. Then,the design method of rectifier bridge,filter circuit,Boost circuit and switch tube control circuit in rectifier module is given. The design method of switch tube drive circuit and switch tube protection circuit in inverter module is also given in this paper. Finally,the experimental results verify the effectiveness and feasibility of the scheme. High power factor is achieved on the input side. The voltage oscillation of the inverter switch tube is suppressed. The peak efficiency of the experimental prototype is 98.2%.

引用本文

黄天一,卞正达,徐长福,王若隐,张铭,谭林林.基于碳化硅器件的无线充电系统电源设计[J].电力工程技术,2021,40(5):87-93

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历史
  • 收稿日期:2021-04-07
  • 最后修改日期:2021-06-28
  • 录用日期:2020-06-29
  • 在线发布日期: 2021-09-30
  • 出版日期: 2021-09-28