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Paper Details

Paper Title
Passive Islanding Detection Technique for Grid-Connected Photovoltaic System
Abstract
With the increased popularity of distributed generation (DG) in power systems, issues such as unintentional islanding should be efficiently resolved. Islanding condition occurs when part of the electrical power system is disconnected from the rest of the grid and is still energized by a DG unit. Conventional passive islanding detection approaches utilize the power system parameters such as the change of voltage magnitude, frequency. a novel and efficient passive islanding detection technique for grid-connected photovoltaic-based inverters is presented. In this technique, the ripple content of the inverter output voltage at the point of common coupling is monitored for deviations using time-domain spectral analysis. Islanding is then detected whenever the ripple spectral content exceeds a preset threshold level for a certain period of time. The performance of this technique was extensively tested and quantified under a wide range of operating conditions. It was determined that the proposed technique did not exhibit any non-detection zone and was able to detect all types of islanding cases within 300 ms of the allowed delay time.The performance of this technique was extensively tested and quantified under a wide range of operating conditions. The results are presented in this paper using Matlab/simulink).
KeyWord
Anti-islanding, distributed generation, passive islanding detection, smart grid, spectral analysis..
Others Details
Paper Id : 11366
Author Name : S.Prem Kumar
Co-Author Name(s) : M.Aruna
Volume/Issue No : Volume 04 Issue 11
Page No : 43-48
DOI Number : DOI:10.21090/IJAERD.11366
Publication Date : 2017-11-08
License : This work is licensed under a Creative Commons Attribution 4.0 International License.
website : http://www.ijaerd.com/index.php
Impact Factor : 4.72, SJIF-2016
ISSN Details : eISSN: 2348-4470, pISSN:2348-6406