全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

风力发电机叶片临界防冰与融冰功率密度分析

DOI: 10.13334/j.0258-8013.pcsee.2015.19.018, PP. 4997-5002

Keywords: 风力发电机叶片,防冰,融冰,临界功率密度,影响因素

Full-Text   Cite this paper   Add to My Lib

Abstract:

根据风力发电机叶片防冰和融冰的物理过程,分析其加热融冰的基本条件,通过对防冰与融冰的热平衡过程分析,建立防冰和融冰在临界情况下热力学的物理数学模型,提出临界功率密度概念,并在人工气候实验室对模型进行试验验证,试验结果和计算结果吻合较好。研究结果表明:在进行电加热防冰和融冰时,其加热功率密度必须大于临界功率密度;临界防冰功率密度是环境温度和风速的函数,临界融冰功率密度是环境温度、风速、冰层厚度和单位时间覆冰量的函数;临界防冰功率密度随着风速增加而变大,随着外界温度的增加而变小;临界融冰功率密度随着风速和覆冰量的增加而变大,随着冰层厚度和外界温度的增加而变小。

References

[1]  何青,吕锡锋,赵晓彤.激励条件下高压输电线路除冰技术应用研究[J].中国电机工程学报,2014,34(18):2997-3003.He Qing,Lü Xifeng,Zhao Xiaotong.Research on application of de-icing technology on high voltage transmission line under the condition of incentive [J].Proceedings of the CSEE,2014,34(18):2997-3003(in Chinese).
[2]  薛禹胜,雷兴,薛峰,等.关于风电不确定性对电力系统影响的评述[J].中国电机工程学报,2014,34(29):5029-5040.Xue Yusheng,Lei Xing,Xue Feng,et al.A review on impacts of wind power uncertainties on power systems [J].Proceedings of the CSEE,2014,34(29):5029-5040(in Chinese).
[3]  王义进.风机叶片防覆冰技术研究[J].机电信息,2011(9):91,127.Wang Yijing.Research of wind turbine blade anti-icing technology[J].Mechanical and Electrical Information,2011(9):91,127(in Chinese).
[4]  杨风利,党会学,杨靖波,等.导线舞动时输电铁塔承载性能及破坏模式分析[J].中国电机工程学报,2013,33(22):135-141.Yang Fengli,Dang Huixue,Yang Jingbo,et al.Analysis on bearing capacities and failure modes of transmission towers with galloping conductors[J].Proceedings of the CSEE,2013,33(22):135-141(in Chinese).
[5]  Tammelin B,Säntti K.Effect of rime accretion on wind energy production in the top areas of fells[R].Finland:BOREAS II Conference,1994.
[6]  Marjaniemi M,Peltola E.Blade heating element design and practical experiences[R].Finland:BOREAS IV Conference,1998.
[7]  Pinard J P,Maissan J F.Experience from use of heated wind sensors and rime ice detectors over the past 12 years[R].Finland:BOREAS VI Conference,2003.
[8]  Laakso T,Peltola E.Review on blade heating technology and future prospects[R].Finland:BOREAS VII Conference,2005.
[9]  Mayer C,Ilinca A,Fortin G,et al.Wind tunnel study of electro-thermal de-icing of wind turbine blades[C]// PORTUGAL:17th International Offshore and Polar Engineering Conference.International Society of Offshore and Polar Engineers,2007.
[10]  曾利华,王丰,刘德有.风电场风机尾流及其迭加模型的研究[J].中国电机工程学报,2011,38(19):37-42.Zeng Lihua,Wang Feng,Liu Deyou.Research on wind turbine wake model and overlapping in wind farm [J].Proceedings of the CSEE,2011,38(19):37-42(in Chinese).
[11]  常浩,石岩,殷威扬,等.交直流线路融冰技术研究[J].电网技术,2008,32(5):1-6.Chang Hao,Shi Yan,Yin Weiyang,et al.Ice-melting technologies for HVAC and HVDC transmission line[J].Power System Technology,2008,32(5):1-6(in Chinese).
[12]  舒立春,罗保松,蒋兴良,等.智能循环电流融冰方法及其临界融冰电流研究[J].电工技术学报,2012,27(10):26-34.Shu Lichun,Luo Baosong,Jiang Xingliang,et al.Intelligent cycled current ice melting method and its critical ice-melting current study[J].Transactions of China Electrotechnical Society,2012,27(10):26-34(in Chinese).
[13]  蒋兴良,范松海,胡建林,等.输电线路直流短路融冰的临界电流分析[J].中国电机工程学报,2010,30(1):111-116.Jiang Xingliang,Fan Songhai,Hu Jianlin,et al.Analysis of critical ice-melting current for short-circuit DC transmission line[J].Proceedings of the CSEE,2010,30(1):111-116(in Chinese).
[14]  陈国邦,金滔,汤珂.低温传热与设备[M].北京:国防工业出版社,2008:1-292.Chen Guobang,Jing Tao,Tang Ke.Low temperature heat and equipment[M].Beijing:National Defence Industry Press,2008:1-292(in Chinese).
[15]  蒋兴良,易辉.输电线路覆冰及防护[M].北京:中国电力出版社,2002:5-160.Jiang Xingliang,Yi Hui.Transmission line icing and protection[M].Beijing:China Electric Power Press,2002:5-160(in Chinese).
[16]  Makkonen L.Estimating intensity of atmospheric ice accretion on stationary structures[J].Journal of Applied Meteorology,1981,20(5):595-600.
[17]  Peter Z,Farzaneh M,Kiss L I.Assessment of the current intensity for preventing ice accretion on overhead conductors[J].IEEE Transactions on Power Delivery,2007,22(1):565-574.
[18]  Imai I.Studies of ice accretion[J].Research Snow Ice,1953,1(1):35-44.
[19]  侯雨伸,王秀丽,段杰,等.考虑系统风险的输电网线路除冰优化调度[J].中国电机工程学报,2014,34(34):6101-6108.Hou Yushen,Wang Xiuli,Duan Jie,et al.Transmission lines de-icing optimal scheduling considering system risk[J].Proceedings of the CSEE,2014,34(34):6101-6108(in Chinese).
[20]  蒋兴良,向泽,张志劲,等.覆冰程度对瓷、玻璃和复合绝缘子交流冰闪特性的影响[J].中国电机工程学报,2013,33(31):227-233.Jiang Xingliang,Xiang Ze,Zhang Zhijin,et al.Influence of icing degree on AC icing flashover performance of porcelain,glass and composite insulators[J].Proceedings of the CSEE,2013,33(31):227-233(in Chinese).
[21]  蒋兴良,常恒,胡琴,等.输电线路综合荷载等值覆冰厚度预测与试验研究[J].中国电机工程学报,2013,33(10):177-183.Jiang Xingliang,Chang Heng,Hu Qin,et al.Prediction and experimental study on combined load equivalent ice thickness of overhead transmission line[J].Proceedings of the CSEE,2013,33(10):177-183(in Chinese).
[22]  陈吉,蒋兴良,舒立春,等.带电雨凇覆冰铝管起晕电压下降趋势研究[J].中国电机工程学报,2014,34(33):5974-5982.Chen Ji,Jiang Xingliang,Shu Lichun,et al.Research on the decrease trend in corona onset voltage of aluminum conductor after energized glaze icing[J].Proceedings of the CSEE,2014,34(33):5974-5982(in Chinese).

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133