Review on grid-forming converter control methods in high-proportion renewable energy power systems
2022-08-16
中国科学院电工研究所 裴玮等：高比例新能源电力系统构网型换流器控制方法综述
摘要
构网型(GFM)变换器可以通过控制技术为电网提供惯性支持，稳定电压和频率，提高系统的稳定性。因此,在未来的“双高”电力系统中，研究GFM的控制技术将成为迫切的需求。本文首先介绍了构网型控制的基本原理，然后介绍了目前常用的五种构网型控制策略:下垂控制，功率同步控制(PSC)，虚拟同步机控制(VSM)，直接功率控制(DPC)和虚拟振荡控制(VOC)。这五种策略可以独立建立电压相量，为系统提供惯性支撑。其中下垂控制是应用最广泛的控制策略之一；PSC和VSM都是模拟同步发电机的机械特性;DPC直接调节有功功率和无功功率，无需内环电流控制器；VOC是一种新型的方法，利用振荡电路实现同步。在文章最后，我们指出了目前需要解决的关键技术以及未来的研究方向。
Review on grid-forming converter control methods in high-proportion renewable energy power systems
高比例新能源电力系统构网型换流器控制方法综述
Yuting Teng 1,2, Wei Deng1,2, Wei Pei 1,2, Yifeng Li 1,2, Li Ding1,2, Hua Ye1,2
(1. Institute of Electrical Engineering Chinese Academy of Sciences, Beijing 100190, P R. China
2. University of Chinese Academy of Sciences, Beijing 100049, P R. China.)
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Abstract
Keywords
Grid-forming control, droop control, power synchronization control, virtual synchronous machine control, direct power control, virtual oscillator control
Fig.1 Simplified representation of GFL and GFM converters
Fig.2 Block of GFM control
Fig.3 Inner control loops of GFM control
Fig.4 Droop control
Fig.5 Power synchronization control
Fig.6 Virtual synchronous machine control
Fig.7 Power direct control
Fig.8 Virtual oscillator control
本文引文信息
Teng YT, Deng W, Pei W, et al. (2022) Review on grid-forming converter control methods in high-proportion renewable energy power systems. Global Energy Interconnection, 5(3):328-342
滕玉婷，邓卫，裴玮等 (2022) 高比例新能源电力系统构网型换流器控制方法综述. 全球能源互联网（英文）, 5(3):328-342
Biographies
Yuting Teng
Yuting Teng received bachelor’s degree at Nanjing Institute of Technology, Nanjing, China, in 2019. She is now a graduate student at University of Chinese Academy of Science. Her research interests include microgrid and control strategies of converters.
Li Ding
Li Ding received bachelor degree at Southeast University, Nanjing, 2017. He is working towards master degree at University of Chinese Academy of Sciences, Beijing. His research interests include microgrid, AC/DC hybrid system.
Yifeng Li
Yifeng Li received the B.S. degree from Zhengzhou University, Zhengzhou, China, in 2018, and the M.S. degree from Shandong University, Jinan, China, in 2021. He is currently pursuing the Ph.D. degree in Power System and Automation in the Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing, China. His research interests include microgrid, ac/dc power distribution system, control strategies of converters.
Wei Deng
Wei Deng received the B.S. degree from the North China Electric Power University, Beijing, China, in 2004, and the Ph.D. degree in electrical engineering from the Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing, in 2010. He is currently an Associate Professor with the Institute of Electrical Engineering, Chinese Academy of Sciences. His research interests include control strategy and stability analysis of distributed generation, microgrid, and low voltage ac/dc power distribution system.
Wei Pei
Wei Pei received the B.S. and M.S. degrees in electrical engineering from Tianjin University, Tianjin, China, in 2002 and 2005, respectively, and the Ph.D. degree in electrical engineering from the Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing, China, in 2008. He is currently a Professor with the Institute of Electrical Engineering, Chinese Academy of Sciences. His research interests include the distribution grid for large-scale renewable integration, active distribution networks.
Hua Ye
Hua Ye received the B.S. and M.S. degrees in electrical engineering from China Agricultural University, Beijing, China, in 2006 and 2008, respectively, and the Ph.D. degree in electrical engineering from Technische Universit¨at Berlin, Berlin, Germany, in 2013. He is currently an Associate Professor with the Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing. His research interests include modeling of power system transients, computational methods, integration of wind power, and HVDC grids.
编辑：王彦博
审核：王 伟
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