| 摘要 |
A lightning strike detector that can promptly detect a lightning strike to ensure safety and can accurately determine the position struck by the lightning with a simple, inexpensive, and highly reliable structure, is provided. The lightning strike detector includes an environment-detecting sensor member that detects a change in the environment of the internal space of a wind turbine blade, serving as a hollow structure, when the wind turbine blade is struck by lightning and is damaged, converts the environmental change into an electrical signal, and outputs the electrical signal; and a control unit (nacelle-side control system and ground-side control system) that receives the electrical signal, judges whether a lightning strike has occurred, and takes countermeasures against the lightning strike.
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