S0503-5-1 我国風況の乱流特性とIEC61400-1.Ed3の乱流モデル(第2報)([S0503-5]自然の流体エネルギー利用技術(5))

抄録

Wind data at 259 windy locations selected from NEDO "Wind Power Generation Field Test Program" sites were statistically analyzed in view of turbulence with regards to Normal Turbulence model (NTM) in IEC61400-1Ed.3. It was shown that present NTM does not appropriately represent wind climate of these sites. Among others, deviation in the scatter of turbulence (σ_σ) between NTM and observation is too significant to be disregarded. Assessment according to Sec.11.9 procedure resulted in that around 40% of the sites are not suitable for IEC standard wind turbines. As a course of measure to remedy the situation a new NTM model that would better represent the observation is presented.