Grid connected Photovoltaic system

2017 International Conference on Communication, Control, Computing and Electronics Engineering (ICCCCEE) Pub Date : 1900-01-01 DOI:10.1109/iccccee.2017.7867659

Abdalla Y. Mohammed, Farog I. Mohammed, Mamoun Y. Ibrahim

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引用次数: 42

Abstract

Renewable energy resources such as Solar, wind and hydro are pollution free, easily erectable, and limitless so they represent reliable alternatives to conventional energy sources e.g. oil and natural gas. However, the efficiency and the performance of these systems are still under development. Among them, Photovoltaic systems are mostly used as they are light, clean and easily installable. This systems connection to the grid requires special conditions to obtain a high-quality electric power system. This paper presents interfacing of three-phase grid connected PV system. DC-DC boost converter with maximum power point tracking (MPPT) is used to extract the maximum power obtained from the sun and transfer it to the grid. In any PV based system, the inverter is a critical component responsible for the control of electricity flow between the dc source, and loads or grid so a voltage source inverter (VSI) is used to convert the dc power into AC power before injecting it into the grid. A comprehensive simulation and implementation of a three-phase grid-connected inverter are presented to validate the proposed controller for the grid-connected PV system.

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并网光伏系统

太阳能、风能和水力等可再生能源无污染、易于安装、无限量，因此它们是石油和天然气等传统能源的可靠替代品。然而，这些系统的效率和性能仍在开发中。其中，光伏系统因其轻便、清洁、易于安装而被广泛使用。这种系统与电网的连接需要特殊的条件才能获得高质量的电力系统。本文介绍了三相并网光伏系统的接口。采用带最大功率点跟踪(MPPT)的DC-DC升压变换器，将从太阳获得的最大功率提取并转送到电网。在任何基于光伏的系统中，逆变器是负责控制直流电源与负载或电网之间电流的关键部件，因此电压源逆变器(VSI)用于在将直流电源注入电网之前将其转换为交流电源。通过对三相并网逆变器的仿真和实现，验证了所提出的并网光伏系统控制器的有效性。

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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2017 International Conference on Communication, Control, Computing and Electronics Engineering (ICCCCEE)

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