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首页> 外文会议>IEEE Transportation Electrification Conference >Three-Phase Magnetic-Less Boosting Multilevel Inverter Topology With Reduced Components
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Three-Phase Magnetic-Less Boosting Multilevel Inverter Topology With Reduced Components

机译：减少组件的三相磁控升压多电平逆变器拓扑

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摘要

The usage of non-conventional power sources like photovoltaics and wind, which are of a typical low-voltage type, often requires more than one power converter stages for enhancing their adaptability. A voltage booster is one among such inevitable stages. The same is with the electric vehicles (EVs) which are regarded as future general road transportation means. This paper presents a novel three-phase three-level inverter topology with single DC source that is devoid of additional boosting circuitry for a grid-interactive EV infrastructure. The envisaged structure is composed of seven switches and one capacitor per phase. The voltage boosting is based on series and parallel connection of the capacitor with the input DC source. The operation of the proposed topology is deliberated in detail through its switching states and a simple look-up table is developed for the generation of the switching pulses. The merits of the proposed topology in terms of number of switches, number of diodes and number of capacitors are presented through a detailed comparative study. Finally, experimental results obtained from a scaled hardware prototype are presented to validate the operability and feasibility of the proposed topology.
机译：典型的低压类型的非常规电源（如光伏和风能）的使用通常需要一个以上的功率转换器级来增强其适应性。升压器就是这种不可避免的阶段之一。电动汽车也被认为是未来的一般道路运输工具。本文提出了一种新颖的具有单个直流电源的三相三电平逆变器拓扑，该拓扑没有为电网交互式电动汽车基础设施提供额外的升压电路。设想的结构由每相七个开关和一个电容器组成。升压基于电容器与输入直流电源的串联和并联连接。通过拓扑结构的开关状态详细研究了拟议拓扑的操作，并开发了一个简单的查询表来生成开关脉冲。通过详细的比较研究，提出了建议的拓扑在开关数量，二极管数量和电容器数量方面的优点。最后，从规模化的硬件原型获得的实验结果被提出来验证所提出拓扑的可操作性和可行性。

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