| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lightning protection method and device for a windmill, efficiently preventing breakage by a thunderbolt, and allowing reduction of cost. <P>SOLUTION: In this lightning protection method for the windmill 1 for leading lightning current when lightning strikes a vane 6 of the windmill 1 to a lightning reception part 7 side provided on the surface of the vane 6 by a leading means, the leading means is configured by forming level differences 11 on the flat outer surface of the vane 6 of the windmill 1 in a direction heading for the lightning reception part 7, and the lightning current when the lightning strikes the vane 6 is guided to the lightning reception part 7 side by the level differences 11. <P>COPYRIGHT: (C)2012,JPO&INPIT |
