一种用于光伏应用的模块化多电平电源转换器系统

2011 International Conference on Power Engineering, Energy and Electrical Drives Pub Date : 2011-05-11 DOI:10.1109/POWERENG.2011.6036544

V. Pires, J. Martins, Chen Hao

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引用次数: 5

摘要

本文提出了一种用于并网光伏应用的新型功率转换结构。提出的结构使用一个四线制电压源逆变器，两个单相电压源逆变器和一个斯科特变压器。光伏组件的布置可以分为几组。这种功率转换结构适用于多串技术。所提出的结构允许多级输出电压。还提出了一种特别适合这种功率变换器结构的带调制器的正弦脉冲。仿真结果验证了该系统的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A modular multilevel power converter system for photovoltaic applications

In this paper a novel power conversion structure for grid-connected photovoltaic applications is presented. The proposed structure uses a four-wire voltage source inverter, two single-phase voltage source inverters and a scott transformer. PV modules arrangements can be divided in several groups. This power conversion structure is suitable for multi-string technology. The proposed structure allows multilevel output voltage. A sinusoidal pulse with modulator particularly adapted to this power converter structure is also proposed. Several simulation results are presented in order to verify the effectiveness of the proposed system.

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来源期刊

2011 International Conference on Power Engineering, Energy and Electrical Drives

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