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首页> 外文期刊>Power Electronics, IET >Non-isolated multi-input–single-output DC/DC converter for photovoltaic power generation systems
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Non-isolated multi-input–single-output DC/DC converter for photovoltaic power generation systems

机译：用于光伏发电系统的非隔离多输入单输出DC / DC转换器

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摘要

A new multi-input non-isolated DC/DC converter with high-voltage transfer gain is proposed in this study. The presented converter consists of the conventional buck–boost and boost converters. All the stages except the last stage are buck–boost converters. The last stage is the conventional boost converter. The proposed multi-input high-voltage gain converter benefits from various advantages such as reduced semiconductor current stress, no limitation for switching duty cycle and wide control range of different input powers. The presented converter can even operate when one or some power input fail to provide energy to the load. The steady-state operation and dynamic modelling of the suggested converter are analysed thoroughly. Experimental results are also provided to verify the feasibility of the presented converter.
机译：本文提出了一种新型的具有高压传输增益的多输入非隔离式DC / DC转换器。提出的转换器包括传统的降压-升压和升压转换器。除最后一级外，所有级均为降压-升压转换器。最后一步是传统的升压转换器。所提出的多输入高压增益转换器具有多种优点，例如降低了半导体电流应力，不受开关占空比的限制以及不同输入功率的控制范围广。当一个或某些电源输入无法为负载提供能量时，所提供的转换器甚至可以工作。对该转换器的稳态工作和动态建模进行了详尽的分析。还提供实验结果以验证所提出的转换器的可行性。

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