NDLI: Islanding detection technique based on superimposed components of voltage

Content Provider	IET Digital Library
Author	Makwana, Yogesh M. Bhalja, Bhavesh R.
Abstract	This study presents a new islanding detection technique based on islanding discrimination factor which is derived from the superimposed components of voltages. These voltages are calculated by utilising the acquired voltage signals from the terminal of distributed generators. Various islanding and non-islanding events with varying power mismatches have been simulated on two different widely used networks namely (i) IEEE 34 bus network and (ii) IEC61850-7-420 Micro-Grid model in real time digital simulator (RTDS/RSCAD) environment. The authenticity of the presented scheme has been verified on diversified islanding and non-islanding cases, generated from the above two models. The results indicate that the proposed scheme is able to distinguish islanding situation with non-islanding events accurately. Moreover, it senses islanding condition quickly (within one and half cycle) even with perfect power balance situation and hence, eliminates non-detection zone. In addition, it also provides better stability against nuisance tripping which is initiated due to various types of non-islanding events including reconfiguration of the network. In the end, comparative assessment of the presented scheme with the scheme just published in the literature shows its domination in distinguishing islanding condition with non-islanding events.
Starting Page	1371
Ending Page	1381
Page Count	11
ISSN	17521416
Volume Number	11
e-ISSN	17521424
Issue Number	Issue 11, Sep (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rpg/11/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2016.0942
Journal	IET Renewable Power Generation
Publisher Date	2017-06-02
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Distributed Generator Distributed Power Generation Distribution Network IEC61850-7-420 Microgrid Model IEEE 34 Bus Network Islanding Detection Technique Islanding Discrimination Factor Nondetection Zone Elimination Power Distribution Fault Power System Control Power System Stability Real Time Digital Simulator Environment RTDS-RSCAD Environment Signal Detection Stability Superimposed Voltage Component Voltage Signal Acquisition
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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