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首页> 外文期刊>Power Electronics, IET >Prototype design for a high-voltage high-frequency rectifier transformer for high power use
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Prototype design for a high-voltage high-frequency rectifier transformer for high power use

机译：用于大功率的高压高频整流变压器的原型设计

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摘要

The traditional high-voltage high-frequency transformer has a drawback of low power density owing to the rigorous requirements of high-voltage insulation. This study proposes a new configuration for the magnetic core based on planar EE cores. The parallel connection of planar cores was adopted as a unit, and several units were cascaded to form the high-voltage transformer. The electrical potential distribution of the proposed transformer is more uniform than a traditional transformer, and enables a decrease in the insulation distances. The mechanical configuration of a laboratory prototype is discussed, as well as the electrical, parasitic and thermal behaviours. A prototype transformer has been designed and built with the following characteristics: 30 kV output voltage, 60 kW output power and 20 kHz inverting frequency. The transformer was tested and found to have an efficiency of better than 96%. Compared with traditional high-voltage transformers, this transformer has good thermal behaviour, good line insulation properties and a high power density.
机译：传统的高压高频变压器由于对高压绝缘的严格要求而具有功率密度低的缺点。这项研究提出了一种基于平面EE磁芯的磁芯新配置。扁平铁心的并联连接作为一个单元，几个单元被级联以形成高压变压器。所提出的变压器的电势分布比传统变压器更均匀，并且能够减小绝缘距离。讨论了实验室原型的机械配置，以及电气，寄生和热性能。设计并制造了具有以下特性的原型变压器：30 kV输出电压，60 kW输出功率和20 kHz反相频率。经过测试，发现该变压器的效率高于96％。与传统的高压变压器相比，该变压器具有良好的热性能，良好的线路绝缘性能和高功率密度。

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  • 来源
    《Power Electronics, IET》 |2011年第6期|p.615-623|共9页
  • 作者

    Wang Y.A.; Xiao D.M.;

  • 作者单位

    Shanghai Jiaotong University, People's republic of China;

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  • 正文语种 eng
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