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1. (WO2017033249) WIND POWER GENERATION DEVICE

Pub. No.:    WO/2017/033249    International Application No.:    PCT/JP2015/073641
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Tue Aug 25 01:59:59 CEST 2015
IPC: F03D 1/06
Applicants: HITACHI, LTD.
株式会社日立製作所
Inventors: SAWADA Takahiko
澤田 貴彦
Title: WIND POWER GENERATION DEVICE
Abstract:
The purpose of the present invention is to provide a wind power generation device that is highly reliable and capable of withstanding lightning strikes over a long period of time. In order to solve the problem, a wind power generation facility pertaining to the present invention involves a wind power generation device equipped with: blades 20 that rotate upon receiving wind; and spar caps 202a that are disposed in the blades 20 and serve as strength members of the blades 20. The wind power generation device is characterized in that an outer skin 201 of the blade is grounded to the outside of the wind power generation facility, the outer skin 201 and the spar cap 202a of the blade are configured using the same or different electroconductive materials, and the outer skin 201 and the spar cap 202a of the blade are electrically connected to each other.