Abstract
This work determines experimentally the rotational inertia of a small wind turbine by acceleration–deceleration technique and evaluates its uncertainty quantity using ISO-GUM. Knowledge of rotational inertia is an important parameter to establish the power generation range of a wind turbine in the design stage. This parameter has a direct influence on powertrain performance. Among experimental methods forinertia measurement, an acceleration–deceleration method was performed to measure the rotational moment of inertia of a commercial HAWT (Horizontal-Axis Wind Turbines) iSTA Breeze® i-500 model. The experimental tests were performed via video capturing rotational motion of wind turbine rotor attached to free falling mass rolled on rotor axis, then using a video motion capture software Tracker to collect angular parameters data. As recommended by ISO-GUM, an uncertainty methodology was implemented to estimate the uncertainty associated to wind turbine rotational inertia experimental measurements. In order to validate the acceleration–deceleration method, a statistical significance analysis was used via comparisons with literature results.
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Acknowledgements
The authors would like to thank CNPq and MCTI, process number 406895/2013-9, and FAPDF, process number 0193. 001359/2016), for the financial support.
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Santana, R.U., Morais, M.V.G.d., Diniz, A.C.G.C. (2021). Implementation of ISO Guide to the Expression of Uncertainty in Measurement (ISO-GUM) to Rotational Inertia Determination of a Small Wind Turbine by Acceleration–Deceleration Method. In: Sapountzakis, E.J., Banerjee, M., Biswas, P., Inan, E. (eds) Proceedings of the 14th International Conference on Vibration Problems. ICOVP 2019. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-15-8049-9_38
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DOI: https://doi.org/10.1007/978-981-15-8049-9_38
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