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논문 기본 정보

자료유형
학술저널
저자정보
Raeho Kwak (Ajou University) June-Hee Lee (Ajou University) Kyo-Beum Lee (Ajou University)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.16 No.5
발행연도
2016.9
수록면
1,918 - 1,927 (10page)

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초록· 키워드

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This paper proposes active frequency drift (AFD) as an anti-islanding method applied to micro-inverters with uncontrollable reactive power. When using ordinary inverter topologies, such as full bridge inverters in photovoltaic systems, the islanding phenomenon can be detected with reactive power-based methods, such as reactive power variation. However, when the inverter topology cannot control the reactive power, conventional anti-islanding methods with reactive power cannot be utilized. In this work, the topology used in this paper cannot control the reactive power. Thus, an anti-islanding method that can be used in topologies that cannot control the reactive power is proposed. The conventional anti-islanding method of the topology that cannot control reactive power is introduced and analyzed. Unlike the conventional AFD method, the proposed method extends a zero current interval every predetermined cycle. The proposed method offers certain advantages over conventional AFD methods, such as total harmonic distortion. The proposed method is validated through simulation and experiment.

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Abstract
Ⅰ. INTRODUCTION
Ⅱ. OPERATION PRINCIPLE OF THE TOPOLOGY
Ⅲ. PROPOSED ANTI-ISLANDING METHOD
Ⅳ. SIMULATION RESULTS
Ⅴ. EXPERIMENTAL RESULTS
Ⅵ. CONCLUSIONS
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