Islanding detection method based on injecting perturbation signal and rate of change of output power in DC grid-connected photovoltaic system

Thanh Son Tran; Duc Tuyen Nguyen; Goro Fujita

doi:10.3390/en11051313

Islanding detection method based on injecting perturbation signal and rate of change of output power in DC grid-connected photovoltaic system

Thanh Son Tran, Duc Tuyen Nguyen, Goro Fujita

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

The emergence of Distributed Generation (DG) in the electric system has brought about the appearance of the islanding phenomenon. In AC networks, there are a lot of Islanding Detection Methods (IDMs) have been studied. However, not too much IDMs in DC networks have been published because of the absence of frequency and reactive power. The hybrid IDM based on injected perturbation signal and rate of change of power output is proposed. This IDM can detect islanding condition not only in the worst case (the power of load and PV are equal) but also in another case (the power of load is greater than the power of PV). It can be applicable to both single and multi-PV operation scenarios. Besides, the effectiveness of the proposed method is verified by simulation in Matlab/Simulink.

Original language	English
Article number	en11051313
Journal	Energies
Volume	11
Issue number	5
DOIs	https://doi.org/10.3390/en11051313
Publication status	Published - 2018

Keywords

DC network
Distributed generation
Islanding detection
Perturbation signal
Photovoltaic

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
Fuel Technology
Energy Engineering and Power Technology
Energy (miscellaneous)
Control and Optimization
Electrical and Electronic Engineering

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10.3390/en11051313

Cite this

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abstract = "The emergence of Distributed Generation (DG) in the electric system has brought about the appearance of the islanding phenomenon. In AC networks, there are a lot of Islanding Detection Methods (IDMs) have been studied. However, not too much IDMs in DC networks have been published because of the absence of frequency and reactive power. The hybrid IDM based on injected perturbation signal and rate of change of power output is proposed. This IDM can detect islanding condition not only in the worst case (the power of load and PV are equal) but also in another case (the power of load is greater than the power of PV). It can be applicable to both single and multi-PV operation scenarios. Besides, the effectiveness of the proposed method is verified by simulation in Matlab/Simulink.",

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AU - Tran, Thanh Son

AU - Nguyen, Duc Tuyen

AU - Fujita, Goro

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Islanding detection method based on injecting perturbation signal and rate of change of output power in DC grid-connected photovoltaic system

Abstract

Keywords

ASJC Scopus subject areas

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