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首页> 外文会议>2016 IEEE PES Transmission amp; Distribution Conference and Exposition -Latin America >High stepping DC/DC topology for voltage source converters in low power renewable energy applications
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High stepping DC/DC topology for voltage source converters in low power renewable energy applications

机译：低功率可再生能源应用中的电压源转换器的高步进DC / DC拓扑

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摘要

This paper proposes a novel DC/DC converter topology that has the capability of achieving high voltage elevation factor from a single DC voltage source from a renewable energy source. The proposed step up principle is based on the generation of two isolated DC sources, they can be connected in series to have a high voltage stepping ratio, or in parallel to feed a Voltage Source Converter (VSC). This is possible thanks to the redesign of the classical boost DC/DC converter. A high voltage stepping is a feature needed in the interface of renewable energy sources to the grid, which is the main feature of this proposal. The other advantages that provide the use of this transformerless topology approach is that has a high power density, fewer number of power switching devices compared to other proposals with similar advantages, resulting in an improvement of efficiency.
机译：本文提出了一种新颖的DC / DC转换器拓扑，该拓扑具有从可再生能源的单个DC电压源获得高电压升高因子的能力。提出的升压原理基于两个隔离的DC电源的产生，它们可以串联连接以具有较高的电压步进比，也可以并联以馈入电压源转换器（VSC）。由于经典的升压DC / DC转换器的重新设计，这才有可能实现。高压步进是可再生能源与电网接口所需的功能，这是此建议的主要功能。提供这种无变压器拓扑方法的其他优点是，与具有类似优点的其他建议相比，它具有高功率密度，较少的功率开关设备，从而提高了效率。

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