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Extreme scenario extraction of a grid with large scale wind power integration by combined entropy-weighted clustering method

2020-08-03

【专题论文】华北电力大学、中国电科院李琰，刘宏志等：大规模可再生能源柔性直流并网技术研究

Engineering practices for the integration of large-scale renewable energy VSC-HVDC systems

大规模可再生能源柔性直流并网技术研究

Yan Li¹, Hongzhi Liu¹, Xiaojie Fan², Xinshou Tian¹

（1.China Electric Power Research Institute, Haidian District, Beijing 100192, P.R. China 2.College of Electrical and Electronic Engineering, North China Electric Power University, Changping District, Beijing 102206, P.R. China.）

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Abstract

With the continuous development of power electronic devices, intelligent control systems, and other technologies, the voltage level and transmission capacity of voltage source converter (VSC)-high-voltage direct current (HVDC) technology will continue to increase, while the system losses and costs will gradually decrease. Therefore, it can be foreseen that VSC-HVDC transmission technology will be more widely applied in future large-scale renewable energy development projects. Adopting VSC-HVDC transmission technology can be used to overcome issues encountered by large-scale renewable energy transmission and integration projects, such as a weak local power grid, lack of support for synchronous power supply, and insufficient accommodation capacity. However, this solution also faces many technical challenges because of the differences between renewable energy and traditional synchronous power generation systems. Based on actual engineering practices that are used worldwide, this article analyzes the technical challenges encountered by integrating large-scale renewable energy systems that adopt the use of VSC-HVDC technology, while aiming to provide support for future research and engineering projects related to VSC-HVDC-based large-scale renewable energy integration projects.

Keywords

VSC-HVDC, Renewable energy integration, DC grid, Engineering practice.

Fig.1 Schematic of the structure of the Nan’ao VSC-MTDC project [19]

Fig.2 Schematic diagram of the structure of the Zhoushan multi-terminal VSC-MTDC project [29]

Fig.3 Schematic diagram of the structure ofthe Zhangbei VSC-based DC grid

Fig.4 Illustration of the BorWin1Project [39]

本文引文信息

Li Y, Liu H, Fan X, Tian X (2020) Engineering practices for the integration of large-scale renewable energy VSC-HVDC systems. Global Energy Interconnection, 3(2): 149-157

李琰，刘宏志，樊肖杰，田新首 (2020) 大规模可再生能源VSC-HVDC并网的工程实践. 全球能源互联网（英文），3(2): 149-157

Biographies

Yan Li

received his bachelor degree from Shandong University of Technology in 1999, master degree from Fuzhou University in 2002, and Ph.D. degree from China Electric Power Research Institute (CEPRI) in 2007, respectively. Since 2007 he has been working at CEPRI, currently as the Renewable Energy Integration Modeling and Simulation Research Division Director of Renewable Energy Department of CEPRI. His research areas are power system analysis, renewable energy modeling and grid integration simulation, renewable energy develop planning.

Hongzhi Liu

received his bachelor degree from Taiyuan University of Technology, in 2000, and received his master degree Northwestern Polytechnical University, in 2004 and the Ph.D. degree from Aalborg University, Aalborg, Denmark in 2010. He is working in China Electric Power Research Institute, Beijing, P.R. China. His main research interests include renewable energy integration and HVDC transmission.

Xiaojie Fan

received his bachelor degree from Chengdu University of Information & Technology in 2016, and he is pursuing his master degree at North China Electric Power University. His main research interests include renewable energy integration and HVDC transmission..

Xinshou Tian

received his bachelor degree from Huazhong University of Science and Technology, China, in 2008, master degree from China Electric Power Research Institute, China, in 2011, and Ph.D. degree in electrical engineering from North China Electricity Power University, China, in 2016, respectively. Since 2016 he has been working at China Electric Power Research Institute (CEPRI), Beijing, China. His main research interests include wind power generation and power system stability analysis.

编辑：周舟

审核：王伟

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