Performance Enhancement of PV Grid Connected Systems with Different Fault Conditions

Q2 Engineering

International Journal on Electrical Engineering and Informatics Pub Date : 2021-12-30 DOI:10.15676/ijeei.2021.13.4.8

S. Abdelwahab, A. Elbaset, Fahd Yousef, Walid S. E. Abdellatif

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引用次数: 0

Abstract

: PV energy is abundant and sustainable energy that photovoltaic (PV) cells can transform directly into electricity. The PV array output energy is dependent on the change in solar radiation and temperature . Maximum Power Point Tracking (MPPT) techniques are used in the PV systems to track maximum energy under rapidly changing weather conditions. Also, the rapid increase of Solar energy penetration in the electric grid necessitates keeping connected to the grid during abnormal operating conditions, especially voltage sag and grid short circuit. This paper presents the modeling and simulation of MPPT of a grid-connected PV system with the incremental conductance (INC) technique. INC results compared with perturbing and observe (P&O) scheme. Also, to analyze the PV system during faults on utility power grid and determine the effects of faults as a function of the location where the fault occurs. Improving the fault ride-through (FRT) capability of PV system during faults on the utility power grid by s Crowbar Strategy is introduced in this paper. The performance is estimated and compared by mathematical investigation and simulation analysis. To validate the correctness of the proposed methods is used the MATLAB /Simulink toolbox. The performance of the proposed INC MPPT indicates that the INC reaches the optimum power point more effectively than the (P&O) scheme, in addition; the FRT capability enhancement by using the crowbar technique. This article introduces the MPPT of a grid-connected PV system as a simulation and experimentally tracks the speed of PV radiation change in different operating conditions.

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不同故障条件下光伏并网系统性能增强研究

:光伏能源是一种丰富的可持续能源，光伏电池可以直接将其转化为电能。光伏阵列的输出能量取决于太阳辐射和温度的变化。最大功率点跟踪(MPPT)技术用于光伏系统在快速变化的天气条件下跟踪最大能量。此外，太阳能在电网中的渗透率迅速增加，需要在异常运行情况下保持并网，特别是电压骤降和电网短路。本文采用增量电导(INC)技术对并网光伏系统的最大功率点进行了建模和仿真。INC结果与扰动和观察(P&O)方案进行了比较。对光伏系统在公用电网发生故障时的运行情况进行分析，确定故障发生位置对系统的影响。本文介绍了采用“撬棍”策略提高光伏系统在公用电网故障时的故障穿越能力。通过数学研究和仿真分析对其性能进行了估计和比较。为了验证所提方法的正确性，使用了MATLAB /Simulink工具箱。此外，所提出的INC MPPT的性能表明，INC比(P&O)方案更有效地达到最优功率点;利用撬棍技术增强FRT能力。本文以并网光伏系统为例，模拟并实验跟踪了不同工况下光伏辐射的变化速度。

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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来源期刊

International Journal on Electrical Engineering and Informatics Engineering-Engineering (all)

CiteScore

2.70

自引率

0.00%

发文量

审稿时长

20 weeks

期刊介绍： International Journal on Electrical Engineering and Informatics is a peer reviewed journal in the field of electrical engineering and informatics. The journal is published quarterly by The School of Electrical Engineering and Informatics, Institut Teknologi Bandung, Indonesia. All papers will be blind reviewed. Accepted papers will be available on line (free access) and printed version. No publication fee. The journal publishes original papers in the field of electrical engineering and informatics which covers, but not limited to, the following scope : Power Engineering Electric Power Generation, Transmission and Distribution, Power Electronics, Power Quality, Power Economic, FACTS, Renewable Energy, Electric Traction, Electromagnetic Compatibility, Electrical Engineering Materials, High Voltage Insulation Technologies, High Voltage Apparatuses, Lightning Detection and Protection, Power System Analysis, SCADA, Electrical Measurements Telecommunication Engineering Antenna and Wave Propagation, Modulation and Signal Processing for Telecommunication, Wireless and Mobile Communications, Information Theory and Coding, Communication Electronics and Microwave, Radar Imaging, Distributed Platform, Communication Network and Systems, Telematics Services, Security Network, and Radio Communication. Computer Engineering Computer Architecture, Parallel and Distributed Computer, Pervasive Computing, Computer Network, Embedded System, Human—Computer Interaction, Virtual/Augmented Reality, Computer Security, VLSI Design-Network Traffic Modeling, Performance Modeling, Dependable Computing, High Performance Computing, Computer Security.