一种用于将分布式资源集成到直流微电网中的高效单向DC/DC变换器

L. Zubieta, P. Lehn
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引用次数: 16

摘要

本文提出了一种新的单向DC/DC转换器,可用于将太阳能光伏或燃料电池等分布式资源的电力传输到直流微电网。该转换器基于LLC拓扑结构,但设计在增益曲线的特定区域运行,这为将可再生能源集成到恒定直流母线中提供了几个好处。该隔离式变换器具有效率高、零电流全范围开关、控制简单等特点。该拓扑结构还具有通过自动将处理后的功率转移到电压较低的极点来平衡双极直流母线电压的固有属性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A high efficiency unidirectional DC/DC converter for integrating distributed resources into DC microgrids
This paper presents a novel unidirectional DC/DC converter that can be used to transfer power from distributed resources such as Solar PV or Fuel Cells into a DC microgrid. The converter is based on the LLC topology but designed to operate in a specific region of the gain curve that provides several benefits to integration of renewable energy sources into a constant DC bus. The isolated converter shows very high efficiency, full range of zero current switching, and simple control. The novel topology also has the inherent attribute of balancing the voltage on a bipolar DC bus by automatically shifting the processed power to the pole with the lower voltage.
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