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环青海湖风能资源的评估——以沙珠玉为例()

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《山地学报》[ISSN:1008-2186/CN:51-1516]

Author(s):: LI Yingye; SHI Xinghe; DAI Sheng; WANG Qingchun; 1.Qinghai Climate Centre, Xining 810001,China;
2. Qinghai Climate Change Monitoring and Evaluation Center, Xining 810001,China

摘要:: 基于2009-06—2010-05环青海湖沙珠玉测风塔的观测资料,计算了风速、平均风功率密度等参数,利用风能评估方法分析了风能参数、风向频率的变化规律及其特征。结果表明:观测年度10~70 m年平均风速和年平均风功率密度分别在4.4~5.7 m/s、138.4~285.1 W/m2间,且随高度的升高而增大。测风塔各高度3~25 m/s风速的时数在5 090~6 045 h间,最多风向为偏东南风,次多风向为偏西北风。风能密度主要集中在NNW-NW扇区,累积频率达53%。观测年50 m高度风速距平百分率偏小(-15.17%),长年代校正的年平均风功率密度值为397.2 W/m2,达到了3级(>30...

Abstract:: Wind velocity and average specific energy of wind were calculated based on wind tower data from June 2009 to May 2010 in Shazhuyu, Qinghai Lake,China. Wind Energy Evaluation methods were used to analyse the variation and characteristics of various wind energy parameters and frequencies of wind directions, the results show that during this period of time,the annual average wind speed and specific energy of 10～70 m fall in between 4.4~5.7 m/s and 138.4~285.1 W/m2 respectively,a rise with height is noted. Time of wind velocity in between 3~25 m/s on all heights of the wind tower lays in between 5 090 and 6 045 hours，winds most frequently come from SE, secondly from NW. Wind power density is concentrated in NNW-NW sectors，accumulated frequencies can reach 53%. The wind velocity anomaly percentage of 50 m during the above mentioned period is relatively small(-1517%), wind specific energy averaged over decades is 3972 w/m2, reaching level 3（＞300 w/m2）gridconnected wind power generation standards, indicating that this area is rich in wind power.

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备注/Memo:: 收稿日期(Received date)：2010-11-18；改回日期(Accepted) : 2011-03-16。
基金项目（Foundation item）：中国气象局风能资源详查和评价专项项目“青海省风能资源详查和评价”的资助。\[Wind Power Resource Detailed Check with Evaluation Vital Item Meteorological Bureau of China.\]
作者简介（Biography）：李应业（1962-），男，青海乐都人，工程师，本科，主要从事太阳能、风能资源观测与评估研究。\[Li Yingye(1962-), male， born in Ledu County of Qinghai, Engineer , Undergraduate course , mainly study on Solar energy，wind energy resources Prognosticate with Evaluation in the plateau.\] E-mail：qhliyinye@126.com

更新日期/Last Update: 1900-01-01