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Title:

10 MW mechanical power transfer standard for nacelle test benches using a torque transducer and an inclinometer

Author(s):Zihang Song, Paula Weidinger, Norbert Eich, Hongkun Zhang
Journal:Measurement: Sensors
Year:2021
Month:September
Day:22
Volume:18
olabel_issue:100249
Pages:1-5
ELSEVIER
How published:open access journal
DOI:

10.1016/j.measen.2021.100249

File URL:

Download filet3://file?uid=6262

Abstract:Accurately measuring the mechanical power of wind turbines is essential for determining their efficiencies. As there is currently no standardized method available for a traceable mechanical power measurement of wind turbines, we propose a 10 MW mechanical power transfer standard based on a 5 MN⋅m torque transducer and an inclinometer for rotational speed measurements up to 20 min???? 1. In particular, the deviation of using an inclinometer is investigated both in simulation and experiments, and a compensation method is proposed. By tracing both the torque and the rotational speed measurements to national standards, it can offer a mechanical power measurement with 0.5 % measurement uncertainty.

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