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نتیجه جستجو - Anti-islanding methods

تعداد مقالات یافته شده: 1
ردیف عنوان نوع
1 AI protection Algorithms for PV-Grid Connection System
الگوریتم های محافظت از هوش مصنوعی برای سیستم اتصال PV-Grid-2020
This paper shows the impact of islanding phenomenon in case of Grid-Connected Photovoltaic (PV) Arrays and how to develop some new techniques to detect this phenomenon. Photovoltaic (PV) is one of the popular choice among the DGs, which typically establishes in grid-connected systems. However, for grid-connected systems, the issue of unintentional islanding remains as a great challenge. In order to enhance the PV grid connected technologies, the phenomenon of unintentional islanding is typically avoided by anti-islanding detection controller. This paper presents the comparative study of anti-islanding detection techniques which include passive and active techniques. The principle of operation for both the passive and active anti-islanding detection techniques, namely Voltage and frequency Protection (OVP/UVP and OFP/UFP) and Active Frequency Drift (AFD) are described. In this work, the performances of the studied anti-islanding techniques are simulated using MATLAB/Simulink package. Finally, the results of simulation show that the passive technique hasnt effect the power quality of system like active one , but unfortunately it has non detection zones that isnt found in active technique.
Keywords: PV-Grid system | Islanding detection | Distributed energy | ROCOF | Anti-islanding methods | Active method | Voltage and frequency protection
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بازدید امروز: 1751 :::::::: بازدید دیروز: 0 :::::::: بازدید کل: 1751 :::::::: افراد آنلاین: 73