Suzhou Electric Appliance Research Institute
期刊號: CN32-1800/TM| ISSN1007-3175

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重覆冰區(qū)域風(fēng)電送出線路中節(jié)能導(dǎo)線的應(yīng)用研究

來源:電工電氣發(fā)布時間:2024-03-11 09:11 瀏覽次數(shù):189

重覆冰區(qū)域風(fēng)電送出線路中節(jié)能導(dǎo)線的應(yīng)用研究

曾祥耀1,饒玉凡2
(1 中國能源建設(shè)集團湖南省電力設(shè)計院有限公司,湖南 長沙 410007;
2 長沙電力職業(yè)技術(shù)學(xué)院 供電服務(wù)系,湖南 長沙 410131)
 
    摘 要:開展節(jié)能導(dǎo)線的應(yīng)用研究,對重覆冰區(qū)域風(fēng)電送出線路的安全、經(jīng)濟運行具有重要意義。以湖南某 110 kV 風(fēng)電送出線路工程為例,針對其重覆冰、低損耗小時數(shù)的特點,從電能損耗、覆冰弧垂及過載能力、經(jīng)濟費用等方面對 3 類節(jié)能導(dǎo)線、鋼芯鋁合金絞線和普通鋼芯鋁絞線進行了應(yīng)用分析。分析結(jié)果表明:在 15 mm 中冰區(qū)和 20 mm 重冰區(qū),JL3/G1A-400/50 型鋼芯高導(dǎo)電率鋁絞線更優(yōu);在 30 mm 重冰區(qū),考慮弧垂特性和排桿需要,不適合采用節(jié)能導(dǎo)線,推薦采用鋼芯鋁合金絞線。
    關(guān)鍵詞: 風(fēng)電送出線路;節(jié)能導(dǎo)線;重覆冰區(qū);電能損耗;弧垂特性
    中圖分類號:TM726.3     文獻標(biāo)識碼:B     文章編號:1007-3175(2024)02-0030-05
 
Research on the Application of Energy-Saving Conductor in Wind Power
Transmission Line in Heavy Icing Area
 
ZENG Xiang-yao1, RAO Yu-fan2
(1 China Energy Engineering Group Hunan Electric Power Design Institute Co., Ltd, Changsha 410007, China;
2 Department of Power Supply Service, Changsha Electric Power Technical College, Changsha 410131, China)
 
    Abstract: It is of great significance to carry out the application research of energy-saving conductors for the safe and economical operation of wind power transmission lines in heavily iced areas. This paper took a 110 kV wind power transmission line project in Hunan as an example,aimed at its characteristics of heavy icing and low loss hours, the application analysis of three kinds of energy-saving conductors, aluminum alloy conductor steel reinforced and ordinary steel-core aluminum stranded wires was carried out from the aspects of power loss, icing sag and overload capacity, and economic cost. The analysis results show that JL3/G1A-400/50 steel core high conductivity aluminum stranded wire is better in the 15 mm medium ice area and 20 mm heavy ice area, and in the 30 mm heavy ice area, considering the sag characteristics and the needs of the row rod, it is not suitable to use energy-saving conductors, and the aluminum alloy conductor steel reinforced is recommended.
    Key words: wind power transmission line; energy-saving conductor; heavy icing area; electric energy loss; sag characteristic
 
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