首页|2012-2021年吉林西部地区风速气候特征及其对风力发电的影响

2012-2021年吉林西部地区风速气候特征及其对风力发电的影响

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选用2012-2021 年吉林西部地区8 个国家气象站逐小时风速观测资料,应用风切变幂律公式换算出气象站观测高度风电零发、满发、切出3 种情况对应的特定风速阈值,统计分析零发风速、满发风速、切出风速的总时长、持续时长、年变化等气候特征及其对风力发电的影响.结果表明:吉林西部地区风能资源较好,年平均风速大,满发风速出现频次高,零发风速时长较短,不利于风力发电的特定风速时长较少.该地区3-5 月风能资源最好,月平均风速大;1 月、7-8 月及12 月的风能资源较好,月平均风速相对较小,零发风速时长较长;2 月、5-6 月的风力发电特定风速最少.吉林西部地区东部的风能资源相对一般,年平均风速较西部小,零发风速时长较长,满发风速出现频次较低,基本没有切出风速.
Climatic characteristics of wind speed in the western region of Jilin province from 2012 to 2021 and their impact on wind power generation
Utilizing hourly wind speed observation data from eight national meteorological stations in the western region of Jilin province from 2012 to 2021,the wind shear power law formula was used to extrapolate specific wind speed thresholds corresponding to three conditions of non-operation,full capacity operation,and cut-out wind power generation at the observation heights of the weather stations.The statistical analysis was conducted of the an-nual total duration,continuous duration,and yearly variability of these specific wind speeds and their climatic char-acteristics,as well as assessing their impact on wind power generation.The results indicate that the western region of Jilin province possesses favorable wind energy resources,characterized by high annual average wind speeds,a high occurrence frequency of full capacity wind speeds,and a short duration of non-operation wind speeds,impl-ying infrequent wind speed conditions unfavorable for wind power generation.The best wind resources in this re-gion were observed from March to May,with higher monthly average wind speeds.Relatively favorable wind re-sources were concentrated in January,July,August,and December,with comparatively lower monthly average wind speeds and longer duration of non-operation wind speeds.The least specific wind speeds conducive for wind power generation occurred in February,May,and June.In the eastern parts of the western Jilin province,the wind re-sources were relatively unprominent,with lower annual average wind speeds compared to the western parts,longer periods of non-operation wind speeds,a lower frequency of full capacity wind speeds,and virtually no occurrences of cut-out wind speeds.

Zero-output wind speedRated wind speedCut-out wind speedWind energy resources

丁秋实、彭涛、申彦波、朴哲勇、王玫珏、丁雪原、李德远

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北京华新天力气象科技有限责任公司,北京 100081

国网吉林省电力有限公司白城供电公司,吉林白城 137000

零发风速 满发风速 切出风速 风能资源

国家电网吉林省电力公司白城供电公司科技项目

SGJLBC00FZJS2200327

2024

气象与环境学报
中国气象局沈阳大气环境研究所

气象与环境学报

CSTPCD
影响因子:1.433
ISSN:1673-503X
年,卷(期):2024.40(2)
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