姚良忠;施刚;曹远志;王志冰;朱淼;蔡旭;

• 1:中国电力科学研究院
• 2:风力发电研究中心(上海交通大学)

摘要(Abstract)：

直流风电场内网中直流风机的串联被证明是一种有潜力的大规模海上风能汇聚方案。然而,直流风机电压限幅期间的弃风现象是制约直流串联型风场商业化的主要因素。描述了海上直流风场内网中串联直流风机的耦合特性。为减少弃风,提出了电压限幅下串联直流风机的变速控制策略。为实现风场级研究中的所有控制,建立了含机电暂态特性的直流风机平均值模型。仿真算例结果,验证了所提策略的有效性。

关键词(KeyWords)： 海上直流风电场;串联;直流风机;变速控制;平均值模型

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51261130484);; 国家电网公司专项支持项目(国家电网科研2013-304号);; 国家863高技术基金项目(2013AA050601)~~

作者(Author): 姚良忠;施刚;曹远志;王志冰;朱淼;蔡旭;

Email:

DOI: 10.13335/j.1000-3673.pst.2014.09.015

参考文献(References)：

• [1]孙君洋,朱淼,高强,等.大型海上交流风电场内部拓扑优化设计[J].电网技术,2013,37(7):1978-1982.Sun Junyang,Zhu Miao,Gao Qiang,et al.Optimal design of internal topology for high power AC offshore wind farms[j].Power System Technology,2013,37(7):1978-1982(in Chinese).
• [2]Xu L,Yao L,Sasse C.Grid integration of large DFIG-based wind farms using VSC transmission[J].IEEE Transactions on Power Systems,2007,3(22):976–984.
• [3]汤广福,贺之渊,滕乐天,等.电压源换流器高压直流输电技术最新研究进展[J].电网技术,2008,32(22):39-44.Tang Guangfu,He Zhiyuan,Teng Letian,et al.New progress on HVDC technology based on voltage source converter[J].Power System Technology,2008,32(22):39-44(in Chinese).
• [4]孙文博,徐华利,付媛,等.应用于大型风电基地功率外送的多端直流输电系统协调控制[J].电网技术,2013,37(6):1596-1601.Sun Wenbo,Xu Huali,Fu Yuan,et al.Coordinated control of multi-terminal DC transmission system to send out power from large-scale wind farm[J].Power System Technology,2013,37(6):1596-1601(in Chinese).
• [5]张文亮,汤涌,曾南超.多端高压直流输电技术及应用前景[J].电网技术,2010,34(9):1-6.Zhang Wenliang,Tang Yong,Zeng Nanchao.Multi-terminal HVDC transmission technologies and its application prospects in China[J].Power System Technology,2010,34(9):1-6(in Chinese).
• [6]Shi G,Chen Z,Cai X.Overview of multi-terminal VSC HVDC transmission for large offshore wind farms[C]//Proceedings of 2011International Conference on Advanced Power System Automation And Protection.Beijing,China:2011 International Conference on Advanced Power System Automation and Protection,2011:1324-1329.
• [7]Meyer C,Hoing M,Peterson A,et al.Control and design of DC grids for offshore wind farms[J].IEEE Transactions on Industry Applications,2007,43(6):1475-1482.
• [8]Max L,Lundberg S.System efficiency of a DC/DC converter-based wind farm[J].Wind Energy,2008(11):109-120.
• [9]Robinson J,Jovcic D,Joós G.Analysis and design of an offshore wind farm using a MV DC grid[J].IEEE Transactions on Power Delivery,2010,25(4):2164-2173.
• [10]Deng F,Chen Z.Control of improved full-bridge three-level DC/DC converter for wind turbines in a DC grid[J].IEEE Transactions on Power Electronics,2013,28(1):214-324.
• [11]Deng F,Chen Z.Operation and control of a DC-grid offshore wind farm under DC transmission system faults[J].IEEE Transactions on Power Delivery,2013,28(3):1356-1363.
• [12]Zhan C,Smith C,Crane A,et al.DC transmission and distribution system for a large offshore wind farm[C]//9th IET International Conference on AC and DC Power Transmission.London,UK:9th IET International Conference on AC and DC Power Transmission,2010:1-5.
• [13]Holtsmark N,Bahirat H J,Molinas M,et al.An all-DC offshore wind farm with series-connected turbines:an alternative to the classical parallel AC model?[J].IEEE Transactions on Industrial Electronics,2013,60(6):2420-2428.
• [14]Veilleux E,Lehn P W.Interconnection of direct-drive wind turbines using a series-connected DC grid[J].IEEE Transactions on Sustainable Energy,2014,5(1):139–147.
• [15]Lundberg S.Configuration study of large wind parks[D].Goteborg,Sweden:Chalmers University of Technology,2003.
• [16]Lundberg S.Wind farm configuration and energy efficiency studiesseries DC versus AC layouts[D].Goteborg,Sweden:Chalmers University of Technology,2006.
• [17]Garcés A,Molinas M.Coordinated control of series connected offshore wind park based on matrix converters[J].Wind Energy,2012,15(6):827-845.
• [18]何大清,施刚,彭思敏,等.基于直流串联的风电场运行特性分析[J].南方电网技术,2012,6(6):100-104.He Daqing,Shi Gang,Peng Simin,et al.Analysis on the operation characteristics of series connected DC based wind farm[J].Southern Power System Technology,2012,6(6):100-104(in Chinese).
• [19]何大清,施刚,吴国祥,等.直流串联型风电机组控制及仿真研究[J].南方电网技术,2012,6(6):95-99.He Daqing,Shi Gang,Wu Guoxiang,et al.The control strategy of DC series-type wind turbines and its simulation[J].Southern Power System Technology,2012,6(6):95-99(in Chinese).
• [20]Shi G,Zhu M,Cai X,et al.Generalized average model of DC wind turbine with consideration of electromechanical transients[C]//Proceedings of 39 th Annual Conference of the IEEE Industrial Electronics Society.Vienna,Austria:IEEE,2013:1636-1641.