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http://dx.doi.org/10.6109/jkiice.2013.17.1.127

Anti-islanding using Active Frequency Shake Method for Grid-connected PV Generation System  

Ock, Seungkyu (청주대학교 전자공학과)
Kang, Moonsung (청주대학교 전자공학과)
Yang, Oh (청주대학교 반도체설계공학과)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.17, no.1, 2013 , pp. 127-136 More about this Journal
Abstract
The islanding detection and prevention function in the important performance of the grid-connected inverter is the essential details which should be considered for worker's safety to maintain the system. This paper tries to suggest the active frequency shake islanding detection technique in the grid-connected PV generation system using sunlight. The existing active frequency drift method algorithm is described to suggest active frequency shake method algorithm. And, the algorithm which can reduce the non-detection zone, improve THD, and improve the detection speed in comparison with the existing algorithm is suggested. And we applied the proposed algorithm to the 3kW grid-connected photovoltaic inverter generation and verified the feasibility of the technique through the simulation and experiments.
Keywords
Anti-islanding; AFS(Active Frequency Shake); AFD(Active Frequency Drift); THD(Total Harmonic Distortion); PV(photovoltaic) generation system;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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