中国电气工程学报（英文） ›› 2022, Vol. 8 ›› Issue (3): 102-111.doi: 10.23919/CJEE.2022.000029

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  • 收稿日期:2021-06-15 修回日期:2021-08-25 接受日期:2021-09-25 出版日期:2022-09-25 发布日期:2022-10-21

Novel Wind Power Grid-connection System Using Inductive Filtering Technology*

Juan Ni1, Sijia Hu1,*, Yong Li1,*, Jinjie Lin1, Qianyi Liu2, Peiyao Liu1, Lihong Dong1   

  1. 1. College of Electrical and Information Engineering, Hunan University, Changsha 410082, China;
    2. School of Automation, Central South University, Changsha 410083, China
  • Received:2021-06-15 Revised:2021-08-25 Accepted:2021-09-25 Online:2022-09-25 Published:2022-10-21
  • Contact: * E-mail: huda_hsj@163.com, yongli@hnu.edu.cn
  • About author:Juan Ni was born in Hengyang, Hunan, China, in 1998. She received the B.S. degree in Electrical Engineering from China University of Mining and Technology, Jiangsu, China, in 2019. She is currently working toward the M.S. degree in Electrical Engineering at the College of Electrical and Information Engineering, Hunan University, Changsha, China. Her research interest is electric power optimization and control.
    Sijia Hu (S’14-M’16) was born in Hunan, China, in 1987. He received the B.S. and Ph.D. degrees in Electrical Engineering (and Automation) from Hunan University of Science and Technology, Xiangtan, China, and Hunan University (HNU), Changsha, China, in 2010 and 2015, respectively.From May 2016 to Dec. 2019, and from Feb. 2017 to Dec. 2019, he was an Assistant Professor of Electrical Engineering with HNU, and a Research Fellow in the Institute of Power and Energy System in The University of Queensland (UQ), Bris-bane, Australia, respectively. Since January 2020, he is an Associate Professor of Electrical Engineering with HNU. His recent research interests include modeling, monitoring and energy management of railway power system, situation awareness and active control of distribution power system, optimal design and control of converters.
    Yong Li (S’09-M’12-SM’14) was born in Henan, China, in 1982. He received the B.S. and Ph.D. degrees in 2004 and 2011, respectively, from the College of Electrical and Information Engineering, Hunan University, Changsha, China. Since 2009, he worked as a Research Associate at the Institute of Energy Systems, Energy Efficiency, and Energy Economics (IE3), TUDortmund University, Dortmund, Germany, where he received the second Ph.D. degree in June 2012. After then, he was a Research Fellow with The University of Queensland, Brisbane, Australia. Since 2014, he is a Full Professor of Electrical Engineering with Hunan University. His current research interests include power system stability analysis and control, ac/dc energy conversion systems and equipment, analysis and control of power quality, and HVDC and FACTS technologies.
    Jinjie Lin was born in Fuzhou, Fujian, China, in 1995. He received the B.S. degree from Hunan University, Hunan, China, in 2018 and the M.E. degree in Electrical Engineering in 2020 from Hunan University, Changsha, China, where he is currently working toward the Ph.D. degree in Electrical Engineering from the College of Electrical and Information Engineering. His research interest is electric power optimization and control.
    Qianyi Liu (S’16-M’21) was born in Sichuan, China, in 1992. He received the B.S. degree in Electrical Engineering and Its Automation (Railway Electrification) from the Department of Electrical Engineering, Southwest Jiaotong University in 2014, and received the M.E. and Ph.D. degrees in Electrical Engineering from the College of Electrical and Information Engineering, Hunan University in 2017 and 2020. From 2019 to 2020, he was a visiting Ph.D. student at the Institute of Energy Systems, Energy Efficiency, and Energy Economics (IE3), TU Dortmund University, Dortmund, Germany. Since 2021, he has been a Lecturer of Electrical Engineering with School of Automation, Central South University, Changsha, China. His research interest is electric power optimization and control.
    Peiyao Liu was born in Yiyang, Hunan, China, in 1998. She received the B.S. degree in Electrical Engineering from Hohai University, Jiangsu, China, in 2020. She is currently pursuing the M.S degree with the College of Electrical and Information Engineering, Hunan University, Changsha, China. Her research interests include electric power analyses and control.
    Lihong Dong was born in Yiyang, Hunan, China, in 1997. He received the B.S. degree in Electric Engineering and Automation from Hunan University, Changsha, China, in 2019. He is currently pursuing the M.S degree with the College of Electrical and Information Engineering, Hunan University, Changsha, China. His current research interests are power quality analyses and high power electroacoustic transducer.
  • Supported by:
    * International Science and Technology Cooperation Program of China (2018YFE0125300), the Fundamental Research Funds for the Central Universities (531118010661), the National Natural Science Foundation of China (52061130217), the Innovative Construction Program of Hunan Province of China (2019RS1016), the 111 Project of China (B17016), and the Excellent Innovation Youth Program of Changsha of China (KQ2009037).

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Abstract: Herein, a novel wind power grid-connection system based on inductive filtering is proposed to improve grid-connection compatibility, and is implemented in a 50-MW real system. First, the topology and wiring configuration of the proposed system are discussed. Thereafter, an equivalent circuit and mathematical model are established to reveal the filtering characteristics and resonance damping mechanism of the proposed system. Finally, a 50-MW wind farm-based experimental study, which is conducted to validate the effectiveness and availability of the system is discussed. The experimental results show that the main harmonics, power factor, voltage fluctuation, and flicker satisfy national standards.

Key words: Wind power generation, inductive filtering method, grid-connection compatibility, power quality