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Overvoltages on DC Side of Power Conditioning System Caused by Lightning Stroke to Structure Anchoring Photovoltaic Panels
Author(s) -
Yamamoto Kazuo,
Takami Jun,
Okabe Narimitsu
Publication year - 2014
Publication title -
electrical engineering in japan
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.136
H-Index - 28
eISSN - 1520-6416
pISSN - 0424-7760
DOI - 10.1002/eej.22529
Subject(s) - photovoltaic system , overvoltage , wind power , electrical engineering , lightning (connector) , engineering , automotive engineering , power (physics) , electric power system , voltage , physics , quantum mechanics
SUMMARY Photovoltaic (PV) power plants and wind turbines are eco‐friendly power generators that utilize solar energy and wind energy, respectively. Many large‐scale PV power plants have been constructed using government subsidies. Large‐scale PV power plants are usually constructed in large open spaces that contain some tall structures. Therefore, such large‐scale PV power plants are likely to attract lightning, which may result in the malfunction or breakdown of electrical and electronic equipment. In this investigation, overvoltages generated when a lightning strikes a structure anchoring PV panels were measured using a 1:10 scale model. The measurements were also verified using the finite‐difference time‐domain method. The mechanisms of overvoltage generation on an actual‐scale PV power plant were also clarified.

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