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...

减少风力机转矩波动的异步变桨控制

, PP. 236-245

Keywords: 风轮转矩波动,气动力,摆振力矩,异步变桨控制,单神经元自适应PID

Full-Text   Cite this paper   Add to My Lib

Abstract:

为了减少大型风力机的风轮转矩波动,本文根据风剪切、塔影和湍流对风轮转矩的影响规律提出了一种新型的异步变桨控制策略,即独立地对每个桨叶的桨距角进行控制,从而改变了桨叶上气动力产生的摆振力矩,减少了风轮转矩的波动和桨叶上的不平衡载荷;同时采用单神经元自适应PID控制策略设计异步变桨控制器。仿真结果不仅验证了基于单神经元自适应PID的异步变桨控制策略的正确性和有效性,而且证明采用该异步变桨控制系统不但减少了风轮转矩被动,还减少了桨叶上挥舞力矩的波动、偏航力矩波动和俯仰力矩波动,有效降低了风力发电机组各部件的疲劳载荷,对今后实际风场中异步变桨控制系统的实现具有一定的指导意义。

References

[1]  Hau E. Wind turbines: fundamentals, technologies, application, economics[M]. German: Springer Verlag, 2006.
[2]  Manwell J F, McGowan J G, Rogers A L. Wind energy explained: theory, design and application[M]. New Jersey: John Wiley&Sons Ltd, 2002.
[3]  Dolan D S L, Lehn P W. Simulation model of wind turbine 3p torque oscillations due to wind shear and tower shadow[J]. IEEE Transactions on Energy Conversion, 2006, 21(3): 717-724.
[4]  Shen X, Zhu X C, Du Z H. Wind turbine aerodynamics and loads control in wind shear flow[J]. Energy, 2011, 36(3): 1424-1434.
[5]  Wang H, Wang W, Bin L. Application of individual pitch controller for flicker reduction on variable speed wind turbines[C]. Asia-Pacific Power and Energy Engineering Conference, 2010, Chongqing University, China, March 28-31, 2010: 1-4.
[6]  Larsen T J, Madsen H A, Thomsen K. Active load reduction using individual pitch, based on local blade flow measurements[J]. Wind Energy, 2005, 8(1): 67-80.
[7]  Markou H, Andersen P B, Larsen G C. Potential load reductions on megawatt turbines exposed to wakes using individual-pitch wake compensator and trailing- edge flaps[J]. Wind Energy, 2011, 14(7): 841-857.
[8]  Yao X J, Wang X D, Xing Z X, et al. Individual pitch control for variable speed turbine blade load mitigation[C]. International Conference on Sustainable Energy Technologies, Singapore, November 24-27, 2008: 769-772.
[9]  Bossanyi E. Further load reductions with individual pitch control[J]. Wind Energy, 2005, 8(4): 481-485.
[10]  Selvam K, Kanev S, van Wingerden J, et al. Feedback-feedforward individual pitch control for wind turbine load reduction[J]. International Journal of Robust and Nonlinear Control, 2009, 19(1): 72-91.
[11]  Geyler M, Caselitz P. Individual blade pitch control design for load reduction on large wind turbines[C]. Proceeding of the European Wind Energy Conference, Milan, Italy, May 7-10, 2007: 82-86.
[12]  Yang M, Xing G. Research on individual pitch control based on inflow angle[C]. International Conference on Control, Automation and Systems Engineering, Singapore, July 30-31, 2011: 1-4.
[13]  Wei L, Hongwei L, Yonggang L. Study on control strategy of individual blade pitch-controlled wind turbine[C]. The 6th World Congress on Intelligent Control and Automation, Dalian, China, June 21-23, 2006: 6489-6492.
[14]  Andersen P B, Henriksen L, Gaunaa M, et al. Deformable trailing edge flaps for modern megawatt wind turbine controllers using strain gauge sensors[J]. Wind Energy, 2010, 13(2-3): 193-206.
[15]  Van Wingerden J, Hulskamp A, Barlas T, et al. On the proof of concept of a 'smart' wind turbine rotor blade for load alleviation[J]. Wind Energy, 2008, 11(3): 265-280.
[16]  Hansen M O L. Aerodynamics of wind turbines[M]. Uk & USA: Earthscan/James & James, 2008.
[17]  Abdin E S, Xu W. Control design and dynamic performance analysis of a wind turbine-induction generator unit[J]. IEEE Transactions on Energy Conversion, 2000, 15(1): 91-96.
[18]  窦真兰, 王晗, 张秋琼, 等. 虚拟风场和风力机模拟系统的实验研究[J]. 中国电机工程学报, 2011, 31(20): 127-135.
[19]  Dou Zhenlan, Wang Han, Zhang Qiuqiong, et al. Experimental research on virtual wind farm and wind turbine emulator system[J]. Proceedings of the Chinese Society of Electrical Engineering, 2011, 31(20): 127-135.
[20]  Zhao Q, Yang Y. Improved single neuron PID control for heavy-duty vehicle magnetorheological seat suspension[C]. Vehicle Power and Propulsion Conference, Harbin, China, September 3-5, 2008: 1-3.
[21]  Dou Z L, Ling Z B, Cai X. Torque smoothing control of wind turbine generator system using individual pitch control[C]. The 7th International Power Electro- nics and Motion Control Conference, Harbin, China, June 2-5, 2012: 2157-2161.
[22]  作者简介:窦真兰 女,1980年生,博士研究生,主要研究方向为兆瓦级风力发电及其控制、大功率电力电子与新能源发电。施刚 男,1984年生,博士研究生,主要研究方向为轻型直流输配电。

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133