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Integration of Distributed Energy Resources in Power Systems by Toshihisa Funabashi

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Chapter 8

Lightning protections of renewable energy generation systems

Shozo Sekioka    Department of Electrical & Electronic Engineering, Shonan Institute of Technology, Japan

Abstract

The top of a blade of a wind turbine, with a couple of MW capacity, is more than 100 m high. In general, lightning tends to strike higher structures. Accordingly, lightning often strikes a wind tower or a blade. Most lightning currents have high amplitude and high frequency, and sometimes have large energy. The current generates a high voltage in the power apparatus and measurement and control systems in the wind turbine generation system, and causes damage to the apparatus, causing the system to malfunction. Distributed energy resources outside a house or building ...

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