新型模块化高压大功率DC-DC变换器

ZHAO Chengyong

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新型模块化高压大功率DC-DC变换器

更新时间：2025-08-13

- 新型模块化高压大功率DC-DC变换器
- Automation of Electric Power Systems Vol. 38, Issue 4, Pages: 72-78(2014)
- 作者机构：
  
  新能源电力系统国家重点实验室,华北电力大学,北京市,102206
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2014
- 稿件说明：
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ZHAO Chengyong. [J]. Automation of electric power systems, 2014, 38(4): 72-78.
DOI：

ZHAO Chengyong. [J]. Automation of electric power systems, 2014, 38(4): 72-78. DOI：

摘要

针对高压大功率场合下的直流电压变换需求

提出了一种新型模块化DC-DC变换器。该变换器开关频率低、损耗小

内部无线圈

结构简单

采用模块化设计易于扩展

且控制方式简单

适用于电压等级高、传输容量大的直流输电场合。分别设计了单向DC-DC变换器和双向DC-DC变换器

阐述了2种变换器拓扑结构、工作原理以及控制方式

并通过对比介绍了新型变换器的优势。PSCAD/EMTDC环境下的仿真实验表明

新型DC-DC变换器可以很好地实现直流变压功能

直流电压电流波形理想。

Abstract

A new-type modular DC-DC converter is proposed for the demand for high-voltage high-power DC conversion. With a lower switching frequency and smaller power loss

a simple structure without any internal transformer coil

the new converter has a simpler control mode and is easy to extend. It is suitable for the DC power transmission with a higher voltage level and larger transmission capacity. For both unidirectional and bidirectional DC-DC converters designed

a detailed description is made of the converter topology

working principles as well as control strategy. It is shown by simulation results in the PSCAD/EMTDC environment that the new type of DC-DC converter can better realize the function of the DC transformer with ideal DC voltage and current than do its counterparts.

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Related Institution

School of Electrical & Electronic Engineering, North China Electric Power University

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