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Journal of Sensors and Sensor Systems An open-access peer-reviewed journal
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Volume 8, issue 1
J. Sens. Sens. Syst., 8, 149-159, 2019
https://doi.org/10.5194/jsss-8-149-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: Sensors and Measurement Systems 2018

J. Sens. Sens. Syst., 8, 149-159, 2019
https://doi.org/10.5194/jsss-8-149-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Review paper 17 Apr 2019

Review paper | 17 Apr 2019

Calibration of torque measurement under constant rotation in a wind turbine test bench

Paula Weidinger1, Gisa Foyer1, Stefan Kock2, Jonas Gnauert2, and Rolf Kumme1 Paula Weidinger et al.
  • 1Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany
  • 2RWTH Aachen, Chair for Wind Power Drives, Campus-Boulevard 61, 52074 Aachen, Germany

Abstract. To determine the efficiency of multi-MW wind turbines, the torque measurement in wind turbine test benches has to be performed with an accuracy better than 0.2 %. To this end, the torque measurement has to be traced to national standards in the MN m range. This can be done by using a novel torque transfer standard in combination with a newly developed torque calibration procedure under constant rotation, which are both presented and discussed in this paper. The calibration procedure was performed on a 4 MW wind turbine test bench and the evaluation of the calibration result, including a measurement uncertainty, is explained in detail.

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To determine the efficiency of multi-MW wind turbines, the torque measurement in wind turbine test benches has to be performed with a high accuracy. To this end, the torque measurement has to be traced to national standards. This can be done by using a novel torque transfer standard in combination with a newly developed torque calibration procedure under constant rotation. The calibration procedure was performed on a wind turbine test bench.
To determine the efficiency of multi-MW wind turbines, the torque measurement in wind turbine...
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