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期刊號(hào): CN32-1800/TM| ISSN1007-3175

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大氣穩(wěn)定度對(duì)山地風(fēng)電場發(fā)電量影響研究

來源:電工電氣發(fā)布時(shí)間:2023-04-26 10:26 瀏覽次數(shù):303

大氣穩(wěn)定度對(duì)山地風(fēng)電場發(fā)電量影響研究

張宇,王鳳昊,劉洋,余文林
(中國能源建設(shè)集團(tuán)江蘇省電力設(shè)計(jì)院有限公司,江蘇 南京 211102)
 
    摘 要:以云南分布式發(fā)電 (DG) 山地風(fēng)電場為研究對(duì)象,應(yīng)用改進(jìn)的 Park 尾流模型,綜合考慮不同大氣穩(wěn)定度等級(jí)下,測風(fēng)塔模擬計(jì)算風(fēng)輪廓線與實(shí)際測量風(fēng)輪廓線的差值和趨勢,選取最適宜風(fēng)電場的大氣穩(wěn)定度等級(jí)。使用 Meteodyn_WT 軟件對(duì)最適宜大氣穩(wěn)定度等級(jí)下的平均風(fēng)速、風(fēng)能密度和發(fā)電量進(jìn)行計(jì)算,將計(jì)算結(jié)果與采用中性大氣穩(wěn)定度的計(jì)算結(jié)果進(jìn)行對(duì)比,結(jié)果發(fā)現(xiàn),大氣穩(wěn)定度對(duì)山地風(fēng)電場的各項(xiàng)性能指標(biāo)都具有一定影響。
    關(guān)鍵詞: 大氣穩(wěn)定度;分布式發(fā)電;山地風(fēng)電場;發(fā)電量
    中圖分類號(hào):TM614     文獻(xiàn)標(biāo)識(shí)碼:A     文章編號(hào):1007-3175(2023)04-0026-06
 
Effects of Atmospheric Stability on Power Generation from Mountain Wind Farms
 
ZHANG Yu, WANG Feng-hao, LIU Yang, YU Wen-lin
(China Energy Engineering Group Jiangsu Power Design Institute Co., Ltd, Nanjing 211102, China)
 
    Abstract: The paper takes Yunnan Distributed Generation(DG) mountain wind farm as the research object, adopts the improved Park wake model to study the difference and trend between the simulated wind profile obtained from wind tower and actual measured wind profile under circumstances of various levels of atmospheric stability to select the most appropriate atmospheric stability level. Meteodyn_WT software is employed to calculate average wind speed, wind energy density and power generation which are most suitable for atmospheric stability.Then, the relevant results calculated by neutral atmospheric stability are compared with the above results, and it is found that atmospheric stability has some effects on performance indexes of mountain wind farms.
    Key words: atmospheric stability; distributed generation; mountain wind farm; power generation
 
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