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Large-eddy simulation of airflow over complex terrain aiming at operating method examination of wind turbines : In the case of the kushikinoreimei wind farm

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Abstract Recently to become, in wind farm, which was built on the complex terrain,the operation rate is less than the initial expectations, ie, power generation output and significantly bad windmill, failure o...f windmill inside and outside (for example, failure of the yaw motor and Yogia, windmill blades cracks, etc.) of the problem of is actualized. The main cause is a change in the windmill most recent slight terrain relief becomes origin, I considered to be a disorder of the wind (terrain turbulence) generated from there. In response to this situation, in our group, precise numerical wind diagnosis by real terrain version RIAM-COMPACT【○!R】 software (the window risk assessment) was performed, has conducted studies safe windmill operating method. In this paper, under the cooperation of Kyudenko new energy Co., Ltd., Numerical wind conditions diagnosis for the purpose of examination of windmill 10 Unit method of operation of the kushikinoreimei wind farm (start the operation from November 2012) since the was carried out, we report on the results.show more

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Created Date 2015.10.20
Modified Date 2023.02.27

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