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首页> 外文期刊>Power Electronics, IET >Parallel operation of inverter using trans-Z-source network
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Parallel operation of inverter using trans-Z-source network

机译：使用跨Z源网络的逆变器并联运行

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摘要

There is strong demand for high-power application for photovoltaic and wind power generation systems. The realisation of a high power conversion system is usually limited by the available switching devices because of the maximum voltage and current ratings, losses and switching frequency. Thus, utilising parallel-connected power converters rated at more minute power levels are highly desirable. A robust approach for such a realisation would result in many advantages, such as modularity, ease of maintenance, ( + 1) redundancy and high reliability. The parallel operation of a voltage-fed (VF) trans-Z-source inverter (ZSI) is presented. A two parallel connected VF-trans-ZSI is introduced and a similar concept is extended to N-parallel connected inverter. A 2.9 kW prototype inverter is built and tested to verify the performance of the proposed inverter.
机译：对于光伏和风力发电系统的高功率应用存在强烈需求。由于最大的电压和电流额定值，损耗和开关频率，高功率转换系统的实现通常受到可用开关设备的限制。因此，非常需要使用额定功率更高的并联功率转换器。健壮的方法可以实现许多优点，例如模块化，易于维护，（+ 1）冗余和高可靠性。提出了电压馈电（VF）跨Z源逆变器（ZSI）的并行操作。介绍了两个并联的VF-trans-ZSI，并将类似的概念扩展到N个并联的逆变器。建造并测试了2.9 kW的原型逆变器，以验证所提议逆变器的性能。

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