Permutation Entropy Thresholding: A Non-Linear Signal Processing Method for Islanding Detection

Thomas, Sindhura Rose; Krishna, Bindu M.; Nair, Usha

doi:10.1080/03772063.2020.1863162

Cited by 3 publications

(1 citation statement)

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“…Consequently, islanding in power grids is a threatening problem for protection methodology engineers because of the dynamic conditions of ADGs. In addition, due to the halted utility operation caused by unintentional power system islands, ADG unit voltage and frequency levels may become severely impacted [18,19]. Moreover, in an islanding scenario, the ADG units cannot deliver enough fault current to trigger the traditional protective mechanisms [20][21][22].…”

Section: Problem Statement and Literature Reviewmentioning

confidence: 99%

An Extensive Overview of Islanding Detection Strategies of Active Distributed Generations in Sustainable Microgrids

et al. 2023

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Active distributed generations (ADGs) are more prevalent near consumer premises. However, the ADG penetration contribute a lot of dynamic changes in power distribution networks which cause different protection and control issues. Islanding is one of the crucial problems related to such ADGs; on the other hand, islanding detection is also a challenging aspect. Therefore, an extensive review of islanding real-time depiction and islanding detection strategies (IDS) is provided in this work. Initially, the focus is on islanding detection concept depiction, islanding detection standardization, benchmark test systems for IDS validation, and software/tools and an analysis of their pros and cons. Then, the detailed classification of IDSs is presented with an emphasis on remote and local methods. Passive, active, and hybrid can be used further to categorize local IDSs. Moreover, the statistical comparative analysis of the IDSs based on the non-detection-zone (NDZ), cost-effectiveness, and false operation are mentioned. The research gap and loopholes in the existing work based on limitations in the existing work are presented. Finally, the paper is concluded with detailed recommendations.

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