New control strategy for 2-stage grid-connected photovoltaic power system

被引：81

作者：

Hamrouni, N. ^{[1
]}

Jraidi, M. ^{[1
]}

Cherif, A. ^{[1
]}

机构：

[1] Engn Fac Tunis, Lab Elect Syst, Tunis 1002, Tunisia

来源：

RENEWABLE ENERGY | 2008年 / 33卷 / 10期

关键词：

Modeling; photovoltaic; inverter; MPPT; IGC; grid;

D O I：

10.1016/j.renene.2007.12.021

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This work deals with the performances and responses of a grid-connected photovoltaic (PV) plant in normal and disturbed modes. The system is composed of a solar array, a dc-dc converter and a three-phase inverter connected to the utility grid. On the one hand a suitable control of the dc-dc converter is developed in order to extract the maximum amount of power from the PV generator. On the other hand an active and reactive power control approach (PQ) has been presented for the inverter. This method can provide a current with sinusoidal waveform and ensure a high power factor. Therefore, the grid interface inverter transfers the energy drawn from the PV into the grid by ensuring constant dc link voltage. Modeling and controlling were carried out using the informational graph of causality and the macroscopic energy representation methods. The simulation under MATLAB/SIMULINK and the experimental results show the control performance and dynamic behavior of grid-connected PV system in normal and disturbances modes. (c) Published by Elsevier Ltd.

引用

页码：2212 / 2221

页数：10

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