朱小帆;卫锋;李学佳;秦亮;查晓明;

• 1:武汉大学电气工程与自动化学院
• 2:新加坡理工大学工程系
• 3:中国华电香港有限公司

摘要(Abstract)：

在直流微电网中,双馈异步发电机的定子侧采用二极管全桥整流器接入直流母线的并网结构。相对于传统的脉宽调制变流器直流并网结构,在降低结构成本的同时,为双馈异步发电机的定子侧带来了大量的谐波。为降低这种并网结构带来的谐波影响,提出了一种基于谐振控制的谐波消除方法。控制转子侧变流器以注入对应的补偿电流来抵消定子侧的谐波电流,且转子侧的基波分量控制不受谐波控制的影响。详细推导分析了上述控制器的参数设计和稳定性,通过仿真和实验验证了该谐波消除方法的有效性和实用性。所提算法具有计算量小、鲁棒性强、易于工程实现等特点。

关键词(KeyWords)： 直流微电网;双馈异步发电机;二极管全桥整流器;谐波消除;谐振控制

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划项目(2018YFB0904900,2018YFB0904903)~~

作者(Author): 朱小帆;卫锋;李学佳;秦亮;查晓明;

Email:

DOI: 10.13335/j.1000-3673.pst.2018.2994

参考文献(References)：

• [1]张丹，王杰．国内微电网项目建设及发展趋势研究[J]．电网技术，2016,40(2):451-458.Zhang Dan,Wang Jie.Research on construction and development trend of micro-grid in China[J].Power System Technology,2016,40(2):451-458(in Chinese).
• [2]鞠平，周孝信，陈维江，等．“智能电网+”研究综述[J]．电力自动化设备，2018,38(5):2-11.Ju Ping,Zhou Xiaoxin,Chen Weijiang,et al．“Smart grid plus”research overview[J].Electric Power Automation Equipment,2018,38(5):2-11(in Chinese).
• [3]郑漳华，艾芊．微电网的研究现状及在我国的应用前景[J]．电网技术，2008,32(16):27-31,58.Zheng Zhanghua,Ai Qian.Present situation of research on microgrid and its application prospects in china[J].Power System Technology,2008,32(16):27-31,58(in Chinese).
• [4] Ahmadi R, Ferdowsi M. Improving the performance of a line regulating converter in a converter-dominated DC microgrid system[J].IEEE Transactions on Smart Grid,2014,5(5):2553-2563.
• [5]刘家赢，韩肖清，王磊，等．直流微电网运行控制策略[J]．电网技术，2014,38(9):2356-2362.L iu Jiaying,Han Xiaoqing,Wang Lei,et al.Operation and control strategy of DC microgrid[J].Power System Technology,2014,38(9):2356-2362(in Chinese).
• [6]吴卫民，何远彬，耿攀，等．直流微网研究中的关键技术[J]．电工技术学报，2012,27(1):98-106,113.Wu Weimin,He Yuanbin,Geng Pan,et al.Key technologies for DC micro-grids[J].Transactions of China Electrotechnical Society,2012,27(1):98-106,113(in Chinese).
• [7]朱晓东，周克亮，程明，等．大规模近海风电场VSC-HVDC并网拓扑及其控制[J]．电网技术，2009,33(18):17-24.Zhu Xiaodong,Zhou Keliang,Cheng Ming,et al.Topologies and control of VSC-HVDC systems for grid-connection of large scale offshore wind farm[J].Power System Technology,2009,33(18):17-24(in Chinese).
• [8]苑国锋，李永东，柴建云．双馈异步风力发电机新型无位置传感器控制方法[J]．清华大学学报(自然科学版)，2009,49(4):461-464.Yuan Guofeng,Li Yongdong,Chai Jianyun.Positioning sensorless control method for doubly fed induction wind power generator[J].Journal of Tsinghua University(Science and Technology),2009,49(4):461-464(in Chinese).
• [9] Fan L,Yuvarajan S,Kavasseri R.Harmonic analysis of a DFIG for a wind energy conversion system[J].IEEE Transactions on Energy Conversion,2010,25(1):181-190.
• [10]王晓兰，王洲，张晓英，等．接入直流微电网的DFIG风电机组控制策略[J]．兰州理工大学学报，2017,43(1):76-82.Wang Xiaolan,Wang Zhou,Zhang Xiaoying,et al.Control strategy for DFIG wind power generator connected to DC-microgrid[J].Journal of Lanzhou University of Technology,2017,43(1):76-82(in Chinese).
• [11] Misra H,Jain A K.Mathematical modeling and control of standalone DFIG-DC system in rotor flux reference frame[J].IEEE Transactions on Industrial Electronics,2018,65(5):3708-3719.
• [12] Yan S M,Zhang A M,Zhang H,et al.Optimized and coordinated model predictive control scheme for DFIGs with DC-based converter system[J].Journal of Modern Power Systems And Clean Energy,2017,5(4):620-630.
• [13] Shukla R D,Tripathi R K.Instantaneous direct voltage and frequency control in DC grid tied DFIG based wind energy system [J].International Journal of Electrical Power&Energy Systems,2018,100:309-319.
• [14]年珩，易曦露．面向直流输电的双馈风电机组并网拓扑及控制技术[J]．电网技术，2014,38(7):1731-1738.Nian Heng, Yi Xilu. HVDC power transmission oriented grid-connection topology and control strategy for wind farm composed of doubly fed induction generators[J]. Power System Technology,2014,38(7):1731-1738(in Chinese)
• [15] Bayhan S,Demirbas S,Abu-Rub H.Fuzzy-PI-based sensorless frequency and voltage controller for doubly fed induction generator connected to a DC microgrid[J].IET Renewable Power Generation,2016,10(8):1069-1077.
• [16] Wei F,Vilathgamuwa D M,Choi S S.Mitigation of harmonics of DFIGs in DC-microgrids[C]//2012 IEEE Energy Conversion Congress and Exposition(ECCE),2012:1946-1953.
• [17] Iacchetti M F,Marques G D,Roberto PA.Scheme for the power control in a DFIG connected to a DC bus via a diode rectifier[J].IEEE Transactions on Power Electronics,2015,30(3):1286-1296.
• [18] Kazmierkowski R K M P,Blaabjerg F,Irwin J D.Control in power electronics:selected problems[R].Academic Press,2002.