并网光伏系统级联h桥多电平变换器能量采样数据建模

2006 IEEE International Power Electronics Congress Pub Date : 2006-10-01 DOI:10.1109/CIEP.2006.312116

J. Negroni, F. Guinjoan, Carlos Meza, D. Biel, P. Sanchis

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引用次数: 47

摘要

本文建立了用于单相多串并网光伏系统的级联h桥多电平变换器的能量采样数据模型。在此基础上，给出了功率变换器的控制方案。仿真结果验证了该方法实现了高效的光伏能量提取、低谐波失真和输出统一功率因数的直流-交流转换

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Energy-Sampled Data Modeling of a Cascade H-Bridge Multilevel Converter for Grid-connected PV Systems

This paper presents an energy-sampled data model of a cascade H-bridge multilevel converter for single-phase multi-string grid-connected photovoltaic systems. Based on this model a control scheme for the power converter is obtained. The achievement of the DC-AC conversion with an efficient PV energy extraction, low harmonic distortion and output unity power factor is validated with simulation results

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2006 IEEE International Power Electronics Congress

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