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2007•IEEE Transactions on Power ElectronicsRequires access

A Novel Anti-islanding Method for Photovoltaic Power Generation System

Zhao Dean

Open publisher page 2 citations

Abstract

Anti-islanding is the key problem for pohotovoltaic grid-connected power generation system.To overcome the shortcoming of the the Active Frequency Drift(AFD) method,the Active Frequency Drift with Periodical Disturbance and Positive Feedback method(AFDPDPF) is provided to detect islanding.The new anti-islanding method can reduce the Non Detection Zone(NDZ) and increase the speed of anti-islanding detection compared to the AFD method.Experimental results verify the good performance of the proposed method.

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What this paper is about

Anti-islanding is the key problem for pohotovoltaic grid-connected power generation system.To overcome the shortcoming of the the Active Frequency Drift(AFD) method,the Active Frequency Drift with Periodical Disturbance and Positive Feedback method(AFDPDPF) is provided to detect islanding.The new anti-islanding method can reduce the Non Detection Zone(NDZ) and increase the speed of anti-islanding detection compared to the AFD method.Experimental results verify the good performance of the proposed method.

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Available abstract

Anti-islanding is the key problem for pohotovoltaic grid-connected power generation system.To overcome the shortcoming of the the Active Frequency Drift(AFD) method,the Active Frequency Drift with Periodical Disturbance and Positive Feedback method(AFDPDPF) is provided to detect islanding.The new anti-islanding method can reduce the Non Detection Zone(NDZ) and increase the speed of anti-islanding detection compared to the AFD method.Experimental results verify the good performance of the proposed method.

Key concepts: Islanding, Photovoltaic system, Frequency drift, Power (physics), AC power, Control theory (sociology), Grid, Electronic engineering

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