NDLI: Transient monitoring function-based islanding detection in power distribution network

Content Provider	IET Digital Library
Author	Dubey, Rahul Popov, Marjan Samantaray, Subhransu Ranjan
Abstract	Islanding detection in distributed generation (DG) interfaced to the microgrid is a key criterion for safety and power quality of the power system. This study proposes a transient monitoring function (TMF)-based islanding detection technique, which distinguishes between various islanding and non-islanding conditions in an inverter-based DG. Initially, the voltage samples of each phase retrieved at the target DG location are processed through Fourier–Taylor transformation (FTT). The TMF is the difference between the estimated voltage samples regenerated from the FTT and the actual sample values. Finally, the TMF index for islanding detection is computed by combining each phase TMF. Based on simulations carried out in PSCAD/EMTDC environment, the performance of the proposed method is examined in various critical conditions. Therefore, the proposed method provides generalised solution irrespective of active and reactive power mismatch and thus enhancing the non-detection zone. The proposed TMF-based anti-islanding relay is highly efficient and satisfies the speed criteria of the relaying function in performing the task.
Starting Page	805
Ending Page	813
Page Count	9
ISSN	17518687
Volume Number	13
e-ISSN	17518695
Issue Number	Issue 6, Mar (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/13/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2017.1941
Journal	IET Generation, Transmission & Distribution
Publisher Date	2018-05-15
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Active Power Mismatch Distributed Generation Distributed Power Generation Fourier Transforms Fourier-Taylor Transformation FTT Harmonics Integral Transforms Inverter-based DG Invertors Islanding Detection Microgrid System Nondetection Zone Enhancement Nonislanding Condition Power Distribution Network Power Quality Power Supply Quality Power System Measurement Power System Measurement And Metering Power System Safety Power System Transients PSCAD-EMTDC Environment Reactive Power Reactive Power Mismatch Relaying Function Speed Criteria Target DG Location TMF-based Anti-islanding Relay Transient Monitoring Function Voltage Sample
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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