Title:
DETECTION DEVICE, DETECTION METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2020/240657
Kind Code:
A1
Abstract:
A detecting device according to an embodiment of the present invention has a wind speed information acquiring unit, a load information acquiring unit, an estimating unit, and a detecting unit. The wind speed information acquiring unit acquires wind speed information indicating the wind speed at a prescribed position in a wind power electricity generator. The load information acquiring unit acquires load information for deriving a load to which the wind power electricity generator is subjected. The estimating unit estimates a wind speed distribution indicating a relationship between height and horizontal direction wind speed in the wind power electricity generator, on the basis of the wind speed information and the load information. The detecting unit: estimates a load acting on a blade unit of the wind power electricity generator on the basis of the wind speed distribution; calculates a sound deformation amount indicating an amount of deformation that should occur if the blade unit is sound, on the basis of the estimated load; and detects damage of the blade unit by comparing the sound deformation amount with an actual deformation amount indicating an amount of deformation of the blade unit measured by a measuring unit which measures the amount of deformation of the blade unit.
Inventors:
IKEDA KAZUNORI (JP)
YOSHIMIZU KENJI (JP)
MIMURA YUKI (JP)
TANIYAMA YOSHIHIRO (JP)
YOSHIMIZU KENJI (JP)
MIMURA YUKI (JP)
TANIYAMA YOSHIHIRO (JP)
Application Number:
PCT/JP2019/020879
Publication Date:
December 03, 2020
Filing Date:
May 27, 2019
Export Citation:
Assignee:
TOSHIBA KK (JP)
TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORP (JP)
TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORP (JP)
International Classes:
F03D17/00
Domestic Patent References:
| WO2018047564A1 | 2018-03-15 |
Foreign References:
| JP2010230595A | 2010-10-14 | |||
| JP2014128184A | 2014-07-07 |
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (JP)
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