新型混合式高压直流输电DC/DC变换器

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新型混合式高压直流输电DC/DC变换器

更新时间：2025-08-13

- 新型混合式高压直流输电DC/DC变换器
- Automation of Electric Power Systems Vol. 42, Issue 7, Pages: 116-122(2018)
- 作者机构：
  
  哈尔滨工业大学电气工程及自动化学院,黑龙江省,哈尔滨市,150001
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2018
- 稿件说明：
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LI Binbin. [J]. Automation of electric power systems, 2018, 42(7): 116-122.
DOI：

LI Binbin. [J]. Automation of electric power systems, 2018, 42(7): 116-122. DOI：

摘要

针对高压直流电网中现有DC/DC变换器拓扑在成本、效率方面的不足，提出了一种基于模块串联技术以及晶闸管、二极管串联技术的混合式DC/DC变换器拓扑，以实现高压直流电网中不同电压等级的互联。对该拓扑结构的工作原理、控制策略、元器件参数设计、经济性等方面进行了全面的分析论证。最后，在MATLAB中进行了仿真，验证了所提DC/DC变换器的可行性。

Abstract

In order to overcome the disadvantages of existing DC/DC converters in cost and efficiency

a novel hybrid DC/DC converter topology is proposed based on the module serial technology as well as thyristor and diode serial technology. It can be used to connect two HVDC power grids with different DC voltage levels. This paper thoroughly analyzes and demonstrates the working principle

control strategy

parameter design and technique economy of the proposed topology. Finally

simulations in MATLAB validate the feasibility of the proposed DC/DC converter.

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