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논문 기본 정보

자료유형
학술저널
저자정보
Kun Ding (Hohai University) Xiang Wang (Hohai University) Quan-Xin Zhai (Hohai University) Jun-Wei Xu (Hohai University) Jing-Wei Zhang (Hohai University) Hai-Hao Liu (Hohai University)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.14 No.4
발행연도
2014.7
수록면
722 - 732 (11page)

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초록· 키워드

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The power?voltage (P?V) curve of photovoltaic (PV) arrays connected in parallel to bypass diodes would have several local maximum power points (LMPP) under partial shading conditions (PSC). Conventional maximum power point tracking (MPPT) methods fail to search for the global maximum power point (MPP) because the searched peak point may remain at the LMPP on the P?V curve under PSC. This study proposes an improved MPPT algorithm to ensure that PV arrays operate at global maximum power point (GMPP) under PSC. The proposed algorithm is based on a critical study and a series of observations of PV characteristics under PSC. Results show the regularity of voltage interval between LMPPs. The algorithm has the advantages of rapidly reaching GMPP, maintaining stability, and recovering GMPP quickly when the operating condition changes. Simulation and experimental results demonstrate the feasibility of the proposed algorithm.

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Abstract
Ⅰ. INTRODUCTION
Ⅱ. PRINCIPLE OF THE PROPOSED GMPPT ALGORITHM
Ⅲ. PROPOSED GMPPT ALGORITHM
Ⅳ. SIMULATION RESULTS AND EXPERIMENTAL ANALYSIS OF THE GMPPT ALGORITHM
Ⅴ. CONCLUSIONS
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UCI(KEPA) : I410-ECN-0101-2015-500-001618604