电工技术学报  2020, Vol. 35 Issue (3): 455-471    DOI: 10.19595/j.cnki.1000-6753.tces.190545
双馈电机及驱动系统专题 |
非理想电网下双馈风力发电系统运行技术综述
王涛1, 诸自强1, 年珩2
1. 英国谢菲尔德大学电子与电气工程学院 谢菲尔德 S10 2T;
2. 浙江大学电气工程学院 杭州 310027
Review of Operation Technology of Doubly-Fed Induction Generator-Based Wind Power System under Nonideal Grid Conditions
Wang Tao1, Zhu Ziqiang1, Nian Heng2
1. Department of Electronic and Electrical Engineering University of Sheffield Sheffield S10 2TN United Kingdom;
2. College of Electrical Engineering Zhejiang University Hangzhou 310027 China
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摘要 近年来,面对愈加复杂的电网环境和快速增长的风电并网容量,双馈感应风力发电系统在谐波畸变、不平衡、电压跌落等非理想电网下的运行技术已成为风电领域的研究热点。在谐波和不平衡电网下,可利用各类增强控制技术提升双馈风电机组的运行性能或改善并网点电能质量;在电网电压跌落时,需采用各类软、硬件保护技术,确保双馈风电机组不脱网运行,并向电网提供无功支撑。该文围绕上述两个方面,对非理想电网下双馈风力发电系统控制技术进行综述,对比分析现有各类技术方案,并对其发展趋势和潜在研究热点进行讨论和展望。
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王涛
诸自强
年珩
关键词 双馈感应发电机非理想电网不平衡谐波低电压穿越    
Abstract:In recent years, with increasing complex grid environment and growing wind power penetration, the operation technique of doubly fed induction generator (DFIG) under nonideal grid conditions, including harmonic distortion, voltage unbalance, and voltage dip, has been a research hotspot. Under harmonic distorted and unbalanced grid conditions, some enhanced control strategies can be used to improve the performance of the DFIG itself or to benefit the power quality at the point of common coupling. When the grid voltage dips, protecting measures based on software or hardware are required to keep the DFIG connected to the grid and support the voltage restoration by providing reactive power. In this paper, the existing researches in the aforementioned fields are reviewed. Different technical solutions for DFIG operating under non-ideal grid conditions are compared, then the technical trends and potential research topics are discussed and prospected.
Key wordsDoubly fed induction generator (DFIG)    non-ideal grid    unbalance    harmonic    low voltage ride-through (LVRT)   
收稿日期: 2019-05-07      出版日期: 2020-02-12
PACS: TM315  
基金资助:国家自然科学基金资助项目(51622706)
通讯作者: 诸自强 男,1962年生,教授,英国皇家工程院院士,研究方向为电机及其控制技术。E-mail:Z.Q.Zhu@sheffield.ac.uk   
作者简介: 王 涛 男,1990年生,博士后,研究方向为风力发电系统运行与控制。E-mail:tao.wang@sheffield.ac.uk
引用本文:   
王涛, 诸自强, 年珩. 非理想电网下双馈风力发电系统运行技术综述[J]. 电工技术学报, 2020, 35(3): 455-471. Wang Tao, Zhu Ziqiang, Nian Heng. Review of Operation Technology of Doubly-Fed Induction Generator-Based Wind Power System under Nonideal Grid Conditions. Transactions of China Electrotechnical Society, 2020, 35(3): 455-471.
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