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All Journal Bulletin of Electrical Engineering and Informatics Indonesian Journal of Electrical Engineering and Computer Science
Bibi Norasiqin Sheikh Rahimullah
Universiti Teknologi MARA
Electrical & Electronics Engineering

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Journal : Bulletin of Electrical Engineering and Informatics

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Hybrid islanding detection method based on the rate of change of frequency and load impedance Hasmaini Mohamad; Zuhaila Mat Yasin; Nur Ashida Salim; Bibi Norasiqin Sheikh Rahimullah; Kanendra Naidu
Bulletin of Electrical Engineering and Informatics Vol 10, No 6: December 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v10i6.3246

Abstract

Interconnection of distributed generation (DG) in distribution system will result in formation of islands in the event of loss of main supply. This scenario is harmful to the power system, hence quick detection is critical to halt the formation of islands. Among the common passive and active detection methods available, the hybrid detection method is identified as the most reliable method. This paper proposes a new hybrid method using the combination of passive and active technique which is the rate of change of frequency (ROCOF) and load impedance, respectively. The passive method works when the value of ROCOF exceeds the threshold value which is set at 0.3Hz/s. The active method works when it detects low value of ROCOF and immediately inject a pre-specified load into the system to increase the ROCOF value up to its threshold value. Simulation study on different case studies is carried out on distribution test system to evaluate the performance of the proposed method. Results show that this method is effective in detecting any events that could result in islanding.
Co-Authors Amirul Asyraf Mohd Kamaruzaman Faisal Zahari Hasmaini Mohamad Ismail Musirin Kanendra Naidu Muhammad Murtadha Othman Nur Ashida Salim Zuhaila Mat Yasin