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首页> 外文期刊>Journal of circuits, systems and computers >Design and Implementation of High-Performance Single-Input Multi-Output High Step-up Non-Isolated DC-DC Converter Topology
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Design and Implementation of High-Performance Single-Input Multi-Output High Step-up Non-Isolated DC-DC Converter Topology

机译：设计与实现高性能单输入多输出高升压非隔离式直流转换器拓扑

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摘要

Due to the rapid developments in the field of electric vehicles (EVs), it is necessary to find the alternate source to power the EVs. The energy sources, such as fuel cell (FC) and solar photovoltaics (PV), are preferred; however, these sources produce low output voltage, and it is not sufficient to drive the EVs. The DC-DC converters are used to boost the voltage to the required voltage of the EVs; in addition, the EVs also require multiple output terminals to deliver the power to various parts of the system. Hence, in this paper, a new DC-DC converter topology is proposed to produce the three different output voltages from the single input source. The proposed converter has features such as high voltage gain with less duty cycle, reduced number of components, less power loss, and hence the efficiency. Moreover, the converter is operated with a single MOSFET switch with low Rds-on due to its less voltage stress and high voltage gain. The required voltage gain is achieved by the super-lift (SL) technique, and the converter is also provided with a passive clamp circuit to recover the leakage energy of the coupled inductor. The theoretical analysis of the proposed converter is verified through the experimental prototype of 300 W, and the result proves the converter may be suitable for EV applications and the applications which require multi-level output voltage with a high voltage gain.
机译：由于电动汽车领域的快速发展（EVS），有必要找到备用源来为EV供电。优选的能源，例如燃料电池（Fc）和太阳能光伏（PV）;然而，这些源产生低输出电压，驱动EVS不足以。 DC-DC转换器用于将电压提升到EV的所需电压;此外，EVS还需要多个输出端子来为系统的各个部分提供电源。因此，在本文中，提出了一种新的DC-DC转换器拓扑以产生来自单个输入源的三个不同的输出电压。所提出的转换器具有高电压增益的特点，占空比较少，减少组件数量，功率较少，因此效率。此外，由于其较低的电压应力和高压增益，通过具有低RDS-ON的单个MOSFET开关来操作转换器。所需的电压增益由超级升降机（SL）技术实现，并且转换器还设有被动夹具电路以回收耦合电感器的泄漏能量。通过300W的实验原型验证了所提出的转换器的理论分析，结果证明了转换器可能适用于EV应用和需要具有高压增益的多电平输出电压的应用。

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