使用直流变压器概念的可扩展并联连接HVDC抽头

J. Maneiro, S. Tennakoon, C. Barker
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引用次数: 31

摘要

本文介绍了最近提出的一种可扩展的DC/DC变换器拓扑结构的概念,该拓扑结构适用于并联的高压直流抽头。与之前提出的解决方案相比,此解决方案提供了一些优势。针对不同的高压直流系统,提出了两种不同的电路配置方案。介绍了模块化DC/DC变换器的内部结构,并研究了一种合适的控制策略,以实现变换器半导体器件的软开关。通过计算机模拟验证了该操作,其中包括对DC/DC转换器功率损耗的粗略估计。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Scalable shunt connected HVDC tap using the DC transformer concept
This paper describes the concept of a recently proposed scalable DC/DC converter topology applied to a shunt connected HVDC tap. This solution offers some advantages with respect to previously proposed solutions. Two different configurations of the circuit are proposed for interconnection with different HVDC systems. The internal structure of the modular DC/DC converter is presented and a suitable strategy to control the system is investigated in order to achieve soft-switching of the converter semiconductors. The operation is validated using computer simulations, which include a rough estimation of the DC/DC converter power losses.
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