Title:
STATUS-MONITORING DEVICE FOR WIND-POWER GENERATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2017/013997
Kind Code:
A1
Abstract:
A status-monitoring device (80) for a wind-power generation system is provided with: an orientation sensor (83) installed in a nacelle (90), the orientation sensor (83) detecting the orientation of the nacelle (90); and a status-monitoring unit (200) for receiving output from the orientation sensor (83) and recording, analyzing, and/or transmitting signals. The status-monitoring unit (200) preferably detects, on the basis of the output from the orientation sensor (83), turning of the nacelle (90) that accompanies torsional vibration of a tower (100). The orientation sensor (83) can also detect slow directional fluctuations which would be difficult to detect with an acceleration sensor or the like, and turning of the nacelle (90) that accompanies torsional vibration of the tower (100) can therefore be satisfactorily detected.
Inventors:
TAKAHASHI TORU (JP)
Application Number:
PCT/JP2016/068894
Publication Date:
January 26, 2017
Filing Date:
June 24, 2016
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F03D7/04
Foreign References:
| JP2005036749A | 2005-02-10 | |||
| JPS57149456U | 1982-09-20 | |||
| JPH11193774A | 1999-07-21 | |||
| JP2013087732A | 2013-05-13 | |||
| JP2007205225A | 2007-08-16 | |||
| JP2012154336A | 2012-08-16 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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