Journal
STRUCTURAL CONTROL & HEALTH MONITORING
Volume 28, Issue 8, Pages -Publisher
JOHN WILEY & SONS LTD
DOI: 10.1002/stc.2754
Keywords
dynamic monitoring; harmonics; modal analysis; modal responses; wind turbine
Funding
- Fundacao para a Ciencia e a Tecnologia [PTDC/ECI-EST/29558/2017, SFRH/BD/79328/2011, UID/ECI/04708/2020]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/79328/2011, PTDC/ECI-EST/29558/2017] Funding Source: FCT
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The paper analyzes the dynamic behavior of a 2.0 MW wind turbine during 1 year of operation, highlighting the effectiveness of a post-processing procedure and the distinct dynamic response of the wind turbine according to its operating conditions.
The analysis of the dynamic behavior of wind turbines is a complex task. These structures present diverse configurations, dependent on the wind conditions. Consequently, the dynamic behavior is highly dependent on their operating conditions. This paper analyzes the dynamic behavior of a 2.0 MW wind turbine during 1 year of operation. In that sense, post-processing tools aiming to decompose the measured vibration response of structures into modal responses, originally developed to be applied with the SSI-DATA algorithm, are implemented and applied. Initially, an original data processing that permits the application of these tools to two additional output-only modal identification algorithms is introduced. Then, these tools are applied for the first time to data collected in a wind turbine during a period of 1 year. The obtained results evidenced the effectiveness of the proposed post-processing procedure and the distinct dynamic response of the wind turbine according to its operating conditions.
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